Modern waterproofing materials in individual construction: from basics to specifics. Polymer waterproofing NOVACOL Coating polymer waterproofing: exceptional tightness

APPLICATION OF CEMENT-POLYMER WATERPROOFING TYPE

High-quality cement itself has waterproofing properties to a certain extent. However, it is difficult to make a regular cement-sand mortar so that there are no pores in it at all through which moisture penetrates. Special cement-polymer waterproofing compounds do not have these disadvantages.

The composition of cement-polymer mixtures includes three components:

• Binder (astringent) - quality cement, ensuring the strength of the composition and largely repels water.
• Filler - fine quartz sand.
• Polymer additives. They provide increased adhesion of the composition to the base, penetrating deep into the surface of the concrete and crystallizing in its structure, firmly connecting the base with the applied coating. Increases the hydrophobic properties of the cement composition.

Cement-polymer compositions have a number of advantages compared to bitumen-polymer insulation:

1. They can (and even need to) be applied to a damp surface. The composition holds well not only on dry, but also on wet concrete. At the same time, the bitumen insulation will simply be torn away from the surface by the backflow of water (from inside the concrete).
2. The adhesion (adhesion strength to the surface) of cement (mineral) waterproofing is higher than that of bitumen-polymer. The compositions adhere perfectly to concrete, brick (including sand-lime brick) metal and wooden surfaces. Mineral insulation has high mechanical strength, abrasion resistant.
3. The surface treated with cement waterproofing can be finished two weeks after applying the composition without any additional training. Glue tiles, plaster, putty, paint - finishing materials adhere perfectly to mineral bases. Bituminous insulation will have to be covered with plaster over a mesh or screed. This is a huge plus in the manufacture of pool bowls and more.
4. Cement- polymer waterproofing It has unique property: It is vapor permeable. That is, water will not penetrate inside the structure, for example, the base of a building, while the masonry, if it is moistened, will dry out. The occurrence of delamination is eliminated if moisture does not come from outside, but from inside the concrete; it will gradually be removed outside. Bitumen waterproofing in such cases the moisture comes off. Due to high vapor permeability, mineral insulation can be used specifically for internal waterproofing, and often this is the only possible solution when reconstructing buildings.
5. The compositions are chemically neutral, environmentally friendly, and approved for use in drinking water reservoirs.

Types of cement-polymer waterproofing. Based on their properties, we would divide cement-polymer waterproofing into three groups:

• Standard mixtures that create a very abrasion-resistant outer coating. However, it is inelastic and if a crack occurs in the base (concrete), the waterproofing will also be damaged. And this, you see, is a significant drawback, since the probability of cracks appearing is almost one hundred percent!
• Crystallizing mixtures (penetrating insulation) contain salt additives, which, when penetrated into concrete, form waterproof structures. Moreover, over time and as it gets moistened, the waterproofing “grows” more and more into the base and becomes more reliable. Such compositions are capable of covering small cracks(about 0.5 mm) in the base, they perfectly hold negative water pressure, do not allow water to pass through from wet concrete, which makes them indispensable for the reconstruction (draining) of underground structures where external waterproofing is missing or damaged.
• Elastic cement-polymer coatings are intended for problematic foundations in which cracks can form, and this is the majority of concrete foundations performed today! Market-recommended brands are reliable, guaranteed to cover cracks up to 1 mm, and withstand vertical water pressure up to 50 m.

Polymer-cement compositionBitumsealFlexproduction plantBitumPetrochemicalIndustriesLtd. covers cracks of more than 2 mm! Thanks to latex added to hydraulic additives, the finished waterproofing coating BitumsealFleximparts unique elasticity.

Waterproofing technology

• Before starting work, surfaces must be cleaned of dust, dirt and oils. In case of weak loose foundation, the manufacturer Bitum Petrochemical Industries Ltd. recommends pre-treating the surface with a two-component Aquapoxy penetrating primer.
• The crumbling mortar and concrete are removed from the seams and cracks, cleaned and tightly caulked with any non-shrinking cement mortar Cracks, seams and large shells are embroidered and tightly filled with the same solution or hydraulic seal.
• The surface must be moistened immediately before applying waterproofing.
• In the corners and in the half-wall interface, first make fillets with a radius of 3-4 cm. For this you can use cement plaster. Additionally, strengthen the joints with waterproofing tape, embedding it into the material. Place an additional layer of Bitumseal Flex on top.
• Coating compounds are applied only with a brush or spatula.
• When applied manually, the cement mixture is thoroughly rubbed or smeared into the surface, leaving no gaps. Small shells are filled with the mixture.
• To achieve the desired result, apply two or three layers. When applying the first layer, movements with the spatula should be in one direction. Each subsequent layer is applied at intervals of 12-24 hours. The next layer is applied in a direction perpendicular to the previous one. The applied layers of the mixture should be protected from drying out too quickly. To do this, the surface must be wetted every 2-3 hours for 1-2 days.
• Internal prefabricated processing concrete walls basement is completed. After two weeks, the surface can be protected with tiling, plaster or screed.

When carrying out internal waterproofing of basements and basement floors, this is generally the only option.

All structural elements of a house or apartment require reliable protection from high humidity. Why is waterproofing needed?

In a room located above a damp basement, moisture destroys the concrete of the floors. High humidity causes mold to grow in wooden coverings and rotting begins. IN multi-storey buildings on the middle floors, when moisture penetrates through cracks at the joints of the floor, carpet, laminate, parquet, bamboo lose their original appearance and become unusable.

Waterproofing the first floor of a private house that does not have a basement or floor in the country house will extend the life of the building. Water vapor rising from the ground can be acidic or alkaline.

Interacting with concrete, moisture can destroy it completely in a few years. Waterproofing the floor will help avoid such problems in your home, increase the safety of its operation, and improve comfortable conditions accommodation.

Materials

Depending on the purpose, conditions of use of the room, condition of the subfloor, financial costs, use various materials for waterproofing, which protect it from destruction. All types of waterproofing comprise two main groups - for external and internal work.

According to the main composition of the water-repellent component:

• bitumen – based on mineral components;
• polymer;
• bitumen-polymer.

Based on the method of application to surfaces, the main types are distinguished:

• roll;
• film;
• penetrating;
• membrane;
• painting;
• pasting;
• coating;
• powder;
• plastering.

Roll and self-adhesive waterproofing

They have become widespread for waterproofing floors in apartments and private houses. Roofing felt is still used for waterproofing today, along with roofing felt and glass roofing felt. Cardboard or fiberglass impregnated with a mixture of bitumen and basalt chips. They can be laid to protect foundations, roofs, and floors from moisture. Modern waterproofing materials have additional thermal insulation properties.

Roll waterproofing - membrane (geomembrane). There is a lock at the junction. Additionally, gluing is performed.

Rolled waterproofing materials come in two types: floating and self-adhesive. Floating materials are durable and inexpensive. Their disadvantage: the waterproofing must be laid using a gasoline or gas burner; when heated, it releases bad smell, harmful smoke. The method is quite suitable for use at the dacha with your own hands when waterproofing the subfloor. Laying roofing felt during waterproofing work requires the installation of an additional screed.

Self-adhesive waterproofing is installed quickly and is easily attached to the base. Which side to lay the self-adhesive material is indicated in the attached instructions. For waterproofing, a self-adhesive film made of polyvinyl chloride, polyethylene, and polypropylene is used. Typically, PVC film is used to create a dry or cement-concrete screed for a concrete floor. Working with self-adhesive film does not take much time.

Penetrating waterproofing

used as a primary or additional measure to protect a concrete floor. Includes subgroups:

• Concreting – increases the density and strength of the material. Placed as an additive to create a reinforcing layer.
• Cement-polymer - used for treating concrete, wood, and brick floors. Polymer waterproofing has high adhesion to the surface, is easy to use, and environmentally friendly. Waterproofing the subfloor can be done with cement-polymer mastic laid on a reinforcing mesh - you get a waterproofing layer and a screed at the same time.
• Cement inorganic waterproofing is used to treat concrete floors.

Ceramic tiles can be easily laid on a layer of penetrating waterproofing.

Mastics

plastic adhesive solutions based on bitumen, liquid rubber, polymers, resins, plasticizers, and other additives. Mastic solutions are of hot or cold type. Floor waterproofing mastic is used to create a waterproof layer and treat joints in the bathroom, toilet, kitchen, bathhouse, and swimming pool. Mastic replaces rolled materials because, unlike them, it does not have an unpleasant odor and does not form seams that could cause water leaks.

Water-repellent materials

For waterproofing, liquid water-repellent materials can be laid. The composition of the group includes primers, varnishes, paints, impregnations.

Powder materials

for protection against moisture, they are represented by a variety of dry mixtures based on cement, glue, binders, and plasticizers.

Immediately before use, add the dry mixture to the water so that the solution is ready for use. Powder mixtures are used to create flooring concrete screeds, waterproof layer of the floor of basements, swimming pools. It all depends on the chosen material.

Execution technologies

When applying waterproofing, it is important to follow the rule - in places where the floor meets the walls, the waterproofing layer must be raised to a height of at least 30 cm.

Application of liquid waterproofing. Liquid waterproofing for floors, depending on the composition and viscosity of the material, is divided into cast and impregnating.

Polymers and bitumen compositions

Casting – application of polymer or bitumen solutions, which, when hardened, form an even waterproof film. Bitumen solutions are heated to a temperature of 130 - 140 ° C, poured onto a clean floor and leveled with a wide spatula.

This method is used to treat continuous bases before pouring the screed. Waterproofing can be laid in several layers, between which a metal reinforcing mesh or reinforced fiberglass is placed; The thickness of the waterproof film can be 5–15 cm. The base of the floor is impregnated with waterproofing material.

Surface coating involves working with heated bitumen-polymer mastics, cold polymer, rubber-epoxy mastics. Coating waterproofing based on oxidized bitumen is produced with the inclusion of an organic solvent and various fillers.

Used as additives crumb rubber, plasticizer, latex, which significantly increases the elasticity of the coating and prevents it from cracking. Bitumen-polymer mastics are characterized by high adhesion. Laying waterproofing under a concrete floor with reinforcing fiber significantly increases its strength and abrasion resistance.

A special primer applied before applying the mastic increases the bond of the waterproofing layer with the concrete base. Mastic can be sold complete with a primer; they have a common main component. Main advantages coating materials- economical, easy to apply.

Coloring

How to waterproof a floor by painting? Painting is used for floors along joists, for wooden or concrete covering. Polymer or bitumen varnish is used. Depending on the consistency of the composition, it is applied to the surface with a spatula, roller, or paint brush. The layer with this treatment is 2 - 3 mm thick and additionally performs the functions of anti-corrosion and anti-fungal protection. The service life of such protection is 5 years.

Pasting materials

Self-adhesive roll-on waterproofing option

How to properly waterproof a floor using adhesive materials? This method involves laying rolls and sheets of moisture-resistant materials in layers on a previously cleaned and primed base floor.

Types of adhesive waterproofing:

• Conventional flooring on a surface under a cement or dry screed, under a wooden rough covering with a joint or independent method of fastening.
• Fusing rolled material onto the floor with a gas burner. The method is fire hazardous and requires skills and strict adherence to fire safety rules.
• Pasting with special adhesives and mastic. Many types of modern film waterproofing have an adhesive layer, which greatly simplifies their installation. The melting temperature of mastic on a bitumen-polymer base is selected 20 - 25 ° higher than high temperature air of this room.

All types of lining materials react to shear, and therefore they are used to protect rigid structures made of brick, concrete, and reinforced concrete from high humidity. This type of waterproofing is also used for wooden subfloors.

Plaster

Easy to implement, environmentally friendly safe way using various dry cement-based mixtures with the inclusion of binding mineral and polymer additives. The solution fills well any unevenness, cracks, or crevices of the surface being treated. The mixture is applied with a spatula or brush.

Mastic and plaster

Mastic for waterproofing floors. Features of working with mastic and plaster.

After applying the self-leveling material, the floor must be in a calm state for the composition to polymerize. The mastic is applied in several layers - in this case, each subsequent layer is applied perpendicular to the previous one after it has completely dried.

Complete waterproofing is ensured when the floor and walls are treated to a height of 10 - 15 cm. Cement-polymer mastics provide water protection and form a self-leveling surface. There is no need to fill the screed. A floor finishing coating is laid on top of the waterproofing.

Backfill materials

Backfill waterproofing is used to protect floors in wet areas. How to lay backfill material? Bulk components are poured into the pre-constructed formwork in an even layer.

Perlite sand, ash, mineral wool, and bentonite are used as fillers. Backfill hydraulic protection has a long service life, but its installation is a labor-intensive and expensive process.

Choice of premises

When choosing a material and method of waterproofing the floor, you need to take into account individual characteristics operation of the premises - humidity, presence of a “warm floor” heating system, presence of a toilet, swimming pool.

Work must be carried out especially carefully at the dacha in the garage - a constant excess of moisture will lead to rotting of vehicles. Which waterproofing to choose to protect your garage floor?

The optimal solution is concrete. Waterproofing under a concrete floor - penetrating, impregnation, additives to concrete when preparing the solution. Immediately before pouring concrete, the soil is filled with bitumen; construction clay or rolled material - a geomembrane - are also used.

It is possible to use a combined method of waterproofing - lay the first layer with a roll coating, then seal all the joints that appear and apply a layer of mastic on top.

Preparing for work

Before starting waterproofing work, preliminary measures are taken with the subfloor:

• removal of old coating;
• thorough cleaning and drying of the rough surface;
• sealing cracks and cracked parts of the surface with waterproofing putty.

The main condition for the duration of operation and the effectiveness of preserving the floor from high humidity is right choice material, compliance with installation technology.

Cement waterproofing provides protection for various structures from moisture. Materials of this group are often used due to many advantages. Proper mixing of components ensures high reliability and increases the service life of the coating. There are different types of cement-based mixtures. When choosing, their composition and properties are taken into account.

Peculiarities

Waterproofing mixtures are used to protect various surfaces from water: floors, walls and ceilings, seams, etc. Cement-based materials have become widespread. This is due to its reasonable price and relatively simple use.

Although cement absorbs some moisture, mixtures containing this component provide high protection against water. At the same time, there are no contradictions in properties, since in the manufacture of cement-based waterproofing, special additives are used that repeatedly improve the characteristics of the material.

For waterproofing surfaces, compositions containing prestressing cement are used. It is distinguished by increased strength and resistance to cracking. Compared to other brands, this cement absorbs moisture minimally. The use of hydrophobic additives and plasticizers helps to increase resistance to water and enhance reliability by increasing the plasticity of the mixture.

Waterproofing is applied in a layer of significant thickness, due to which the structure being treated is better protected. The principle of application is similar to the method of use plaster mixtures. Thanks to the waterproofing layer, condensation does not form, which gradually destroys the structure and cladding. As a result, the fenced surfaces retain their attractiveness longer and also last a long time.

Advantages and disadvantages

Positive traits:

• wide range of applications: protection of foundations, fencing of single-story and multi-story buildings, waterproofing of swimming pools and tanks in contact with water, preparation for cladding of bathrooms, balconies, application to structures that are exposed to a significant load of water under pressure, when premises are flooded;
• high degree of protection from moisture, cement-based waterproofing can be used in any conditions, even the most difficult;
• simple principle of application;
• the possibility of application to a moistened surface, which is due to the presence of cement in the composition, the adhesion of which only increases if the humidity of the enclosed surface is first increased;
• providing protection against corrosion;
• absence chemical reaction in contact with aggressive environments;
• resistance to impact low temperatures;
• vapor permeability;
• absence of harmful components.

Such mixtures have few disadvantages. They note the possibility of application only to structures that have already gained strength. In addition, cement-based waterproofing materials provide high degree protection, provided that several layers of material are applied to the fenced structure.

Varieties by composition

When choosing, take into account the type of components and the structure of the mixture. The material is selected taking into account the intended purpose of the enclosed structure and operating conditions. Waterproofing must comply temperature conditions, at which it will be applied and serve in the future. Violation of this condition will lead to the gradual destruction of the protective layer.

Cement-sand waterproofing

The composition is produced in the form of a dry mixture. This is the simplest type of waterproofing in terms of properties, which is due to the use of cement as the main component. The mixture is quite hard during the drying process protective covering should be moisturized frequently - up to 3 times a day for 2 weeks.

For application, it is recommended to use the method of spraying the composition using special equipment. The main purpose of the cement-sand mixture is to protect the monolithic foundation of objects. If you plan to apply waterproofing yourself, you need to add special additives to increase the density of the composition. Without them, the service life of the waterproofing will be shortened, and the coating will not perform its functions.

The mixture is applied sequentially several times. When the work is completed, it is recommended to protect the enclosed structure from possible damage while it dries.

However, the surface of the waterproofing layer can still be deformed. In this case, moisture evaporates unevenly, which leads to a change in volume with different intensities.

With added latex

This composition ensures the plasticity of the material. Latex increases the resistance of waterproofing to cracking. The material withstands the effects of temperature changes and low values ​​of this parameter much better. As a result, the cement mixture resembles liquid rubber By appearance and properties. After applying the material, an impermeable coating is obtained that reliably protects the enclosed structure from moisture.

You can add latex to the cement mixture yourself, observing the proportions. However, it is much easier to use a ready-made mixture.

Mandatory conditions when working with such material:

• using the shotcrete or spraying method on a surface that has previously been carefully prepared;
• the mixture should be hot.

As a result we get seamless coating, which does not allow moisture to pass through, does not crack, is resistant to mechanical stress and lasts a long time, and also withstands high temperatures.

With liquid glass

This component is added to the cement mixture, which improves the properties of hard concrete. cement-sand mortar. Most often, the material is used to protect foundations, basement floors, and to form fire-resistant coatings.

Advantages of compositions based on liquid glass:

• protection from high temperatures;
• high adhesion;
• manifestation of antiseptic properties;
• absence of toxic components in the composition.

Different ways to use:

• liquid glass applied to seams, joints, cracks, this option is used as an auxiliary measure; after applying waterproofing of this type, roll material is also used;
• Liquid glass is used as the main component of a cement mixture intended for pouring a foundation.

Cement-polymer

The composition includes Portland cement, sand, plasticizers. Cement-polymer waterproofing has improved properties. The main advantage of this material is considered to be high resistance to tensile and tearing loads. This is due to the formation of molecular bonds when the polymer components and cement are combined. As a result, the enclosed structure can withstand dynamic loads well and is resistant to cracking.

There are different types of polymer cement mixtures:

• waterproofing glue;
• waterproofing.

There are one and two-component compositions. Moreover, the second option is more common. It contains acrylic emulsion and microfiber. This material is used when there is a high risk of exposure to deformation loads (cracks of more than 1 mm are formed). In other cases, dry one-component mixtures can be used.

Types of compositions by method of application

The materials differ in structure and method of application. The choice is made taking into account the condition of the enclosed structure. Penetrating compounds are preferable for use on surfaces that are porous. Coating-type cement waterproofing, plaster and elastic coating mixture are applied to the surface. Certain types of materials are intended only for repairing objects.

Coating

This is the most common mixture; it is used to protect various surfaces during construction and at the renovation stage: floors, walls, ceilings, balconies, bathrooms, foundations, water tanks. Coating waterproofing allows you to create an impermeable layer on the enclosed surface that thoroughly protects from water.

Used for a long period of time, fills tiny cracks. This composition can be applied to surfaces made of different materials: drywall, metal, brick, wood, concrete, etc.

Elastic coating

This group includes materials containing plasticizers. These are auxiliary components that are used to increase the elasticity of the cement composition. This type of mixture is recommended to be used to protect surfaces of complex configurations that are prone to the formation of small spider-like cracks up to 0.5 mm wide.

The advantages of elastic waterproofing include increased strength. It is permissible to apply it on the surfaces of: swimming pool, terrace, balcony, water tank. It differs from classic coating-type waterproofing in its high price.

Plastering

This version of the material is susceptible to cracking, so it is not recommended to use it under increased dynamic loads. The surface of the enclosed structure should not be deformed, then a significant duration of waterproofing service is ensured. To improve the properties, it is allowed to add auxiliary components, for example, liquid glass. This type of material has the advantage of being able to level curved surfaces and at the same time provide protection from moisture.

Penetrating

Waterproofing of this type can only be used to protect structures made of concrete and reinforced concrete. This is due to the fact that the composition provides effectiveness provided that the enclosed surface is porous. Waterproofing penetrates into the structure of concrete, upon contact with moisture contained in such material, it crystallizes, clogging the pores.

This prevents the risk of moisture penetration. This composition is used when it is not possible to protect the outer surfaces of the structure using external waterproofing.

Repair compounds

They have a high drying speed. This type of material is recommended for filling seams and cracks. It can be used on different surfaces, including when restoring the foundation. The advantages of this mixture include the absence of shrinkage upon drying.

Water plug

The material is used when it is necessary to quickly restore the integrity of concrete pressure structures. Used for repairing objects made of stone, concrete, reinforced concrete. Available in dry form. Upon contact with water, when a deformed area in the thickness of a concrete or stone structure is blocked by the mixture, the cement composition instantly hardens, forming an impenetrable barrier to water. The advantage of the water plug is its high adhesion to the enclosed surface. It is used even if there is a leak.

Application technology

Instructions:

1. If the base is old, it is repaired: the top layer is removed, cleaned, and leveled using special mixtures.
2. Before applying cement compositions, the surface is moistened.
3. When the excess moisture has evaporated and the enclosed structure is slightly moistened, waterproofing is applied.
4. The work uses a spatula or special equipment to spray the mixture.
5. The material is applied several times. After the first layer is formed, you need to wait 2-3 days, during this period the surface is moistened.
6. For 3 days, until the first layer has dried, apply the next one, and then another. Cement based waterproofing should not be allowed to cover a dry surface.

Manufacturers

To purchase high-quality certified material, consider products from common brands. It should be taken into account that prices vary in Moscow and the regions.

Ceresit CR 65

This is a cement-based rigid waterproofing material. Application area:

• internal and external surfaces;
• structures buried in the soil;
• bath pool and other reservoirs;
• protection of walls, floors and ceilings in rooms with high humidity;
• waterproofing of hydraulic engineering and wastewater treatment facilities;
• protection of various objects from destruction and exposure to low temperatures.

On deformable objects, an elasticizer is added before using the mixture.

Bergauf Hydrostop

Waterproofing belongs to the group of coating-type materials. This is a one-component mixture, applied with a thickness of 1-5 mm. It gains strength after 28 days and is resistant to bending and compression loads. The composition can be used in conditions of high and low temperatures: -50…+70°C.

Cement NC

Tensile cement belongs to a separate group of materials, because it has a high linear expansion rate, does not shrink, and does not deform. This is the most durable substance, and also outperforms Portland cement in terms of moisture resistance. The material contains almost no pores, so it protects well from moisture.

Not a single construction of a residential building or institution, not a single interior design is complete without the use of waterproofing. The wide range of waterproofing compounds offered will allow you to easily choose what you need. One of the widely used compositions is polymer waterproofing.

Peculiarities

Polymer waterproofing mostly consists of a bitumen emulsion, which includes latex particles. The choice of this waterproofing solution on the shelves of construction stores is huge. Composition may vary. The contents of the composition are directly influenced by the manufacturer and purpose of the solution.

Do not forget that a certain air temperature can affect insulating compounds. This provokes polymerization. As a result, a strong and viscous membrane is formed. Its characteristics satisfy all requirements in the process construction work.

Advantages and disadvantages

The use of a polymer base as insulation has many advantages. By correctly selecting the waterproofing composition and the specifics of its application, you will receive a surface with moisture-repellent properties.

In addition, there are a number positive aspects that are worth considering in more detail:

• Today, up to 400% elasticity can be achieved from a polymer base.
• The service life of the resulting waterproofing surface can range from 25 to 50 years.
• Guaranteeing the possible ingress of water eliminates the formation of monolithic coatings in which there are no joints.
• This material makes it possible to use it for any type of structure, including a complex or non-standard configuration, and even in the presence of relief.
• Polymer waterproofing is one of the most durable compounds, which is unshakable to any kind of mechanical, chemical, ultraviolet and temperature (from -60 to +110 degrees) influences.

• High wear resistance of the composition. The polymer base is characterized by the creation of a layer that subsequently does not become thinner, while remaining a reliable and uniform coating, regardless of the conditions and period of operation.
• Economical consumption of material is achieved by the insignificant thickness of the coating of the polymer composition. This is quite enough to create durable waterproofing.
• Creating adhesion with different materials such as concrete, metal or wood, as well as many different types of finishing coatings.
• This waterproofing composition is easy to apply. In this case, it is possible to choose necessary technology application depending on the presence or absence of certain skills and knowledge.
• The time required for the waterproofing composition to harden is minimal, which has a beneficial effect on the overall progress of construction work.
• The absence of toxic fumes and toxic substances in the composition guarantees the safety and harmlessness of the polymer base.

• The insulating coating is highly repairable. In other words, if any defect occurs on the surface of the polymer composition, it is quite easy to restore it. To do this, you will need to apply an additional layer to the existing one around the entire perimeter or in the required area.
• The polymer composition is vapor-proof, which is one of the fundamental qualities in order to create a comfortable microclimate and protect a certain Construction Materials from the adverse effects of water.
• A huge range of color shades of the polymer composition will allow you to use this composition as a finishing decorative material.

Like any product, a polymer waterproofing composition has disadvantages, of which its high cost can be particularly highlighted. The composition is much more expensive than its analogues, such as roofing felt and bitumen. But it is worth noting that the quality of the resulting coating fully justifies the high cost.

The advantages and benefits of this option will be recognized by reducing financial costs for additional repair work and replacing a lower-quality waterproofing coating.

Types and selection rules

A wide range of waterproofing polymer bases can confuse consumers, and therefore it is recommended to familiarize yourself in advance with the variety of insulating compositions offered by manufacturers.

There are several criteria to help you choose required material, meeting all your requirements and wishes:

• Density. The consistency of waterproofing, which is based on a polymer solution, is usually divided into liquid and semi-liquid composition. It is worth noting that there is an alternative in the roll membrane format, which is not inferior liquid foundations, however, it is in little demand among consumers.
• Function. Today the manufacturer is developing a huge the lineup for its signature line. Each product is necessarily produced with recommendations for application and an indication of the specific structural element the structure for which it is intended (roof, floor surface, foundation or metal structures).
• Components included. The elements used and their combination divide the polymer waterproofing composition into several types. The most popular today are cement-polymer and bitumen-polymer compositions.

• Application technology. The application technology is influenced by several aspects, including the availability of experience with waterproofing work, the available time frame for completing the work, as well as the presence or absence of the necessary tools. In this connection, it is customary to divide it into the following types composition: coating polymer waterproofing, liquid, solution homemade(which is based on epoxy resin). Waterproofing polymer compositions produced for self-cooking, require strict adherence to the recipe, specified by the manufacturer. Also, do not forget that it is necessary to strictly follow the deadlines for working with the polymer composition, otherwise there is a high probability that the composition will harden while still in the preparation container. Such quick-hardening compositions will cost you less if the work is carried out by a person with special skills and knowledge necessary equipment. For self-execution For construction work, it is recommended to purchase a more expensive and ready-made waterproofing composition.

Waterproofing work using a polymer base is not limited to its intended purpose. For example, it is often used for above-ground and underground structures, hydraulic installations, and wet rooms. Elastic polymer-cement two-component waterproofing is most often performed in mixtures. Sprayed waterproofing also has good reviews.

Specifics of application

As when working with other waterproofing compounds, the process of applying polymers is carried out in several stages:

• decide on the type of polymer composition that meets all your wishes and requirements;
• make sure you purchase required amount mixtures;
• prepare the surface for further finishing work;
• treat all necessary structural elements with a polymer composition, following the manufacturer’s recommendations;
• wait until the surface hardens completely.

Before proceeding with the actual waterproofing procedures, it is recommended to choose for yourself optimal technology application. To do this, it is necessary to assess the availability of experience or knowledge, budget, technical equipment and other factors characteristic of construction work.

So, there are two ways to apply polymer waterproofing:

• coloring– to carry out this procedure, it is recommended to purchase a paint brush and roller in advance;
• atomization– this technology will require an airless pumping unit.

The first application option is designed to perform waterproofing work for a spacious room or large structure.

When deciding to carry out the waterproofing process as quickly as possible, spraying technology will suit you. For correct execution process you need to follow a simple algorithm:

1. Prepare the airless pumping unit. Make sure fully equipped equipment.
2. Prepare non-concentrated calcium chloride. If you purchased a ready-made solution, fill the container with it.
3. Connect the container to the airless pump unit.
4. Also connect a container with a polymer composition for waterproofing.
5. Next, spray the composition onto the required structural elements or surface.
6. Make sure that when spraying, two containers are working simultaneously, since the compositions must be mixed.
7. Ultimately, you should get an even layer, the thickness of which will be from 2 to 4 millimeters (depending on the design configuration), so try to direct the stream in such a way as to achieve this result.

Budget option waterproofing will be using coating application technology. Using a similar method, you have the opportunity to waterproof High Quality small space or individual structural elements, while the consumption of the polymer composition will be minimal.

Let's take a closer look at the stages of waterproofing work:

1. Purchase and prepare the necessary tools. The choice in favor of a fine-pile paint roller or wide brushes will depend on what type of structure you are processing.
2. Dab the lint of the roller or brush into the waterproofing polymer compound.
3. Paint all necessary areas, trying to cover the surface so that the coating is two to four millimeters thick.
4. Wait until the surface is completely dry.
5. Repeat the procedure by applying another layer.

If it is important for you to obtain a uniform and smooth surface, it will help to check the quality of the work done building level. Thanks to it, you will be able to identify all the defects that have arisen.

When using any material and, in particular, a waterproofing composition, it is recommended to prepare the base - the surface - in advance. To do this, you will need to mark areas that are more susceptible to moisture. It is worth noting that waterproofing is applied to the lower area of ​​the wall surface and floor. They should be cleaned in advance of dust, cracked plaster and large irregularities, which are recommended to be smoothed before applying the polymer base.

In the recent past for protection building structures used for moisture bituminous materials. They did not provide sufficient reliability and their service life was limited. Now a more effective alternative has appeared - elastic polymer waterproofing. Let's talk about its properties and application features.

What is polymer waterproofing?

The category of polymer waterproofing includes a wide range of materials with a diverse composition, physical and chemical properties. But they all contain high-molecular compounds - polymers, which give them special characteristics. The method of application is also common: most of these compositions are intended for coating insulation. Most common polymer materials on a bitumen and cement basis.

Advantages of polymer waterproofing

There are many polymer-based formulations, and they all have different positive qualities. But in general, we can highlight the following advantages of using this type of insulation.

• High degree of moisture protection. For example, in the case of cement mixtures, the addition of polymer components helps solve the problem of pores through which moisture can seep. Polymer waterproofing forms a continuous waterproof layer, while the base retains the ability to pass air.
• Good adhesion to the surface being treated. For each type of building materials you can find the appropriate composition. For example, waterproofing brickwork It is best done using polymer-cement mixtures, and bitumen-polymer mastics are also suitable for concrete. Unlike roll coverings, the water-repellent layer obtained using these materials is inseparable from the surface.
• Resistant to any weather factors (temperature changes, ultraviolet radiation, precipitation), water pressure, and aggressive chemicals. This allows the use of polymer insulation for both internal and external work, including for the protection of buried structures.
• Elasticity. For some types of materials it reaches 400%. Thanks to this, polymer-based waterproofing is strong in tension and bending, and can withstand deformation loads well (including during soil movements and thermal expansion of structures).
• Polymer waterproofing fits well on any surface
• Flexibility. Elastic coating compositions can be applied to surfaces with any relief; they are easy to use in hard-to-reach places.
• Fluidity characteristic of many types of polymer waterproofing. The composition, which is almost equal in viscosity to water, fills even invisible pores and microcracks. This ensures absolute waterproofness.
• Long period of operation. While conventional bitumen coatings age, dry out and crack over time, polymer-based materials last an average of 25 years.
• Wear resistance. Even with prolonged use, the waterproof membrane does not lose its qualities, does not wear out or become thin.
• Economical. The material is applied in a thin layer and does not require much consumption.
• Safety, absence of toxic components in the composition.

What types of polymer waterproofing are there?

Materials are classified according to different criteria: by composition, by purpose, by method of use. Below we will discuss the main types of elastic polymer waterproofing.

Polymer-based insulation can have different consistencies.

As a solution consistency

Polymer-based elastic coating compounds are a ready-to-use mixture or require dilution (with water or a special liquid). The result is a solution of varying degrees of viscosity - from liquid to paste.

For appointments

Polymer waterproofing has a wide range of applications, which is due to the variety of materials and their universal characteristics. Manufacturers are striving to expand their product lines by producing mixtures for various purposes. Some of them are used for roofing works, others - to protect the foundation from groundwater, others - for the floor, etc. Also, depending on the purpose, mastics and sealants are distinguished. The first are intended for large-scale work, the second - for sealing cracks, seams and other areas of local violation of the hydraulic barrier.

In the form of component composition

In terms of composition, polymer waterproofing is represented by two in large groups- materials based on bitumen and cement. The most commonly used additives are polyurethane, acrylic, epoxy resins, rubber, mineral components. With their help, mixtures are given required properties: plasticity, fluidity, frost resistance, ability to quickly harden, etc.

In the form of application methods

The technology for installing elastic polymer waterproofing depends on the consistency of the solution. Viscous compositions are applied with a spatula, semi-liquid and liquid - with a brush or roller, as well as by spraying. Depending on the scale of work, the experience of the master and availability professional equipment manual or mechanized method is used.

It is also important to take into account the peculiarities of preparing the mixture. One-component polymer insulation is ready for application; two-component compounds are mixed in the proportion recommended by the manufacturer. Polymer cement mixtures are supplied in powder form, which must be diluted with water.

Where is polymer waterproofing used?

Elastic polymer insulation is often used to protect roofs.

Polymer-based waterproofing is used almost everywhere in cases where it is necessary to protect structures from the destructive effects of moisture. The main area of ​​application of materials is construction. They serve to protect the above-ground and underground parts of buildings:

• roofs;
• walls (inside and outside);
• foundations;
• basements and ground floors;
• rooms with high levels of humidity (bathrooms, toilets);
• balconies and loggias.

Also, with the help of elastic polymer waterproofing, garages, parking lots, swimming pools, reservoirs, bridges, roads, and hydraulic structures are protected.

Existing application methods

When choosing an application technique, first of all, the volume of work is taken into account. In private construction and renovation, they usually deal with small areas. To install polymer insulation in this case, simple tools are required - paint brush or roller. The viscous composition is applied with a construction spatula. These works can be performed independently, without the involvement of professional labor.

Liquid insulation is applied by spraying.

In industrial construction, as a rule, a mechanized installation method is used. Liquid mixtures are sprayed airless using a pump unit.

Technology of applying polymer waterproofing

Elastic polymer waterproofing is generally easy to use, but to obtain a high-quality result, you must strictly follow the technology. The process can be divided into several stages.

• Selection of material. In this case, the properties of the treated surface should be taken into account, technical condition structures, operating conditions, factors external environment. Often, professional advice is needed for proper selection.
• Calculation required quantity mixtures based on consumption data and insulated area.
• Surface preparation.
• Preparation of the solution, if necessary according to the technology.
• Application of the composition.

When working with some materials, you need to wait until the waterproofing fully develops its properties.

Material selection

When selecting a material, you should focus not only on its characteristics, but also on the manufacturer. The important criterion here is the ratio of price and quality. If the budget is not limited, it is recommended to pay attention to the products of well-known brands that have long established themselves in the market. Russian market. Bitumen-polymer mastics are produced under the brands TechnoNikol, Bitumast, Ecomast. Among the cement mixtures, the products of the brands Ceresit, Osnovit, Lakhta, Mapei are well known. Among epoxy-based materials, it is worth mentioning Masterseal from BASF and the more affordable domestic brand Blokada.

Calculate the solution consumption used

Polymer insulation is applied in a thin layer.

The calculation of the material depends on its consistency. Liquid waterproofing polymer-based coatings are applied in a thin layer, so less solution is required to achieve the desired result. The exact data is indicated by the manufacturer on the packaging, but the average consumption is 1 kg per 1 m2 of surface. This implies that the material is applied in one layer with a thickness of no more than 2 mm.

Preparatory work

Before applying elastic polymer waterproofing, you need to carefully prepare the base: the quality of adhesion of the material to the surface depends on this. The work is carried out in stages:

• the base is cleaned of debris and dust;
• remove irregularities, protrusions, sagging concrete, smooth out sharp corners;
• if necessary, the surface is leveled with cement mortar;
• remove dust again;
• apply a primer or primer.

Spraying waterproofing

An airless spraying unit is used to apply insulation.

Elastic polymer waterproofing is applied using an airless spray system. Contact with air is unacceptable, since this will cause the mixture to harden prematurely. Although it is possible to rent a pump, it is best to leave the spraying job to those who know how to handle it. Moreover, some materials are demanding when choosing equipment, and not every installation is suitable for their application.

Before spraying the polymer waterproofing is reinforced weak spots surfaces. These are primarily corners, joints and junctions of structures. Geotextiles are used for reinforcement.

Two-component polymer waterproofing is mixed during the application process. Containers with compounds are connected to the pumping unit. When spraying, make sure that the contents of both tanks are used evenly.

The polymer base used in coating waterproofing

Viscous polymer materials are not suitable for spraying; they are applied in another way. Such elastic waterproofing is called coating. Its installation is carried out manually, without the use of special equipment.

When using dry cement powder, the solution is prepared immediately before application in an amount no greater than can be consumed in one hour.

Conclusion

Polymer waterproofing is an effective and durable protection of any surfaces from moisture. Depending on the properties of the base, materials based on cement or bitumen are selected. Before using the composition, carefully read the instructions.