Liquid roof. Types and characteristics of liquid roofing. Methods of applying liquid waterproofing

Lately on construction market there is simply a huge variety of different innovative technologies, which allow construction and repair work to be carried out even more efficiently. However, a special area in which a lot of unresolved issues remain is the waterproofing of the house and, in particular, the waterproofing of the roof. After all, the main tasks of the roof include effective protection of the building from various atmospheric phenomena, such as snow, rain, hail and others.

That is why specialists are in search of the most suitable materials that will be able to provide reliable protection Houses. Today, one of such materials is. This is one of the best options for waterproofing. Our polymer waterproofing has already gained popularity among both professional builders and those who do their own repair work. First of all, this is due to the fact that liquid roof waterproofing does not require any special conditions, skills and special knowledge, and therefore roof repairs can be done with your own hands without problems, even without the help of professionals.

Below you can find out about this in more detail, especially since the reviews about liquid roofing are completely positive and everyone who has used it in construction work, highly recommend it.

What is mastic (liquid roofing) for roof waterproofing from the manufacturing company “LKM USSR”?

This mastic, better known as polymer liquid rubber (not to be confused with bitumen liquid rubber), is a special waterproofing material. It is produced on the basis of a unique polymer emulsion of our development, which is completely resistant to ultraviolet radiation. This component creates those unique properties that allow it to immediately begin to harden after application and turn into a reliable polymer membrane that is completely seamless, elastic and very durable (service life is at least 50 years, and the guarantee is 15 years!).

Nothing is impossible for this material; it easily covers various protrusions, cracks, as well as all relief details located on the roof, such as parapets, canopies, protrusions and other roofing elements.

All-weather liquid roofing can be applied to any material:

Metal (contains zinc, which determines its high anti-corrosion properties);
Roof tiles;
Various rolled materials;
Cement;
Reinforced concrete, both monolithic and prefabricated;
Natural wood;
Slate;
Bitumen;
Concrete
Profiled sheeting;
It is especially important to repair the PVC membrane, since it leaks quite often.

And also for any other building materials known today.

For example, a photographic review of our client’s liquid roofing:

Let's give a little explanation. It was applied in a very thin layer (less than recommended, less than 1 mm) at the rate of 1.2 kg/m2, price of waterproofing flat roof amounted to 350r/m2 including work. I applied it myself, with an ordinary roller. It turned out that the local “experts” foamed the plums, followed by two weeks of downpours, naturally no one looked at the roof, after they decided to visit it, they discovered a real lake, even if you raise fish), and according to the consumer , the roof did not leak a drop. This review makes it clear that minimum investment in material and labor costs, it is indeed possible to obtain excellent roof waterproofing.

This becomes especially noticeable when comparing this type of roofing with rolled, as well as membrane materials such as PVC membranes, which require real professionals during installation, otherwise the PVC membrane simply peels off from the welded joints and the roof may simply be carried away, or expensive repairs will be required.

Based on this, it becomes clear why liquid roofing is used not only to protect the roofs of houses that are currently being built, but also for houses and buildings that have undergone reconstruction and various restoration work. It is important that experts recommend paying attention to the fact that using data innovative materials You can quickly obtain reliable waterproofing on a variety of surfaces.

Let's consider the pros and cons, types of roofing coverings based on the situation:

Which roof is better? Types of roofing according to materials and their classification.

PVC membrane(membrane roofing)

Pros: resistance to tension and compression, strength, frost resistance, durability
Cons: welded or glued joints fall apart, requires expensive repairs, if installation is incorrect in 90% of cases, the roof “walks” and can simply be carried away, high cost, cracks

TechnoNikol and other rolled bitumen materials

Pros: relatively low cost, good sound insulation
Cons: low resistance to mechanical damage, deteriorates from ultraviolet radiation, harmful, fire hazard, poor resistance to temperature changes, does not last long (in some cases less than a year)

Bituminous shingles(soft roof)

Pros: beautiful, more durable, sound insulation, eliminates avalanches
Cons: various inaccuracies in installation often lead to cracks and ruptures
Poor waterproofing
Low resistance to temperature changes

Leafy(slate, ondulin, corrugated sheets, metal tiles and the like)

Pros: ease of installation, low cost, availability
Cons: poor sound insulation, low resistance to damage, corrosion, fragility, leaks at joints and fasteners (by the way, our roofing perfectly eliminates all these shortcomings)

Roof tiles(natural clay, polymer-sand, composite tiles)

Excellent decorative qualities, quite durable, environmentally friendly, fireproof, excellent thermoregulation, waterproof
Disadvantages: very heavy weight, high cost, complexity and duration of installation, tendency to bloom, cracking.

Polyurea

Pros: very durable, low adhesion to most substrates, fast application and polymerization speed, no joints, excellent waterproofing properties, self-extinguishing, resistance to petroleum products.
Disadvantages: very high cost, lack of truly qualified specialists for installation, color change, limited chemical resistance, the need for careful surface preparation before application, insufficient UV resistance for the price.

Liquid rubber

Pros: very elastic, inexpensive, fast application speed, good adhesion, good waterproofing
Disadvantages: extremely low resistance to ultraviolet radiation, often due to low-quality material (and everyone makes it, saving considerably on the quality of raw materials), leaks, swelling, and delamination occur. Not long term service.requires additional protection from ultraviolet radiation (for fans of liquid rubber we offer our special rubber durable paint or liquid roofing)).

Polyurethane waterproofing

Pros: good elasticity, good adhesion with proper preparation, strength
Disadvantages: not resistant to ultraviolet radiation (as calls from clients have shown), it actually lasts no more than 5 years on the roof, then it starts to leak, good preparation is needed, otherwise peeling is possible, applied only to a dry surface, quite toxic, since the main component in production polyurethane, poison isocyanate, if its professional use is underground structures (foundations, tunnels, etc.)

Advantages of liquid roofing LKM USSR:

In fact, such a building material is one of the best waterproofing options available on the market today and, that is why the list of its advantages and features is quite large. But the most important and significant among them should be noted:

Strong adhesion index (DIN ISO 2409) - G0
Moreover, this parameter is practically independent of the material being coated. Liquid roofing combines perfectly with bitumen (which it simply eats into, forming a single monolith), metal, concrete, wood, PVC membrane. Clients apply it directly to OSB roofs. Example of work in the photo:

100% level of resistance to negative influences various factors, such as ultraviolet, ozone, which none of the above types of roofing materials will provide.
Long service life. If all manufacturer's recommendations are followed and applied correctly, liquid waterproofing material can last for several decades without losing its original appearance and properties. 15 year warranty.
The ability to choose the most optimal and suitable application method for you.
Relatively low price for our liquid roofing.
A fairly simple liquid roof repair. If necessary, you can quickly and easily restore the roof without spending a lot of effort and money.
A universal material that does not harm human health or the environment.
Makes it possible to create a wear-resistant, non-slip floor covering that is extremely strong and durable.
It is these parameters that make it possible to use it for both external and internal work.
Resistance to sudden temperature changes from -55...to +300 Celsius.
A serviceable roof; if desired, real armor can be made from our material; this is achieved by using a reinforcing layer of the cheapest geotextile (costs approximately 7 rubles per meter). It then cannot be torn or damaged, but in principle this is not necessary, since the liquid roof is all-weather and is itself extremely durable.
Self-application, which makes it possible to significantly save on installation and specialists, roof repairs on your own.
Application temperature range from -35..to +40 Celsius, even on wet surfaces, and in emergency cases, repair under water (hydraulic seal)
No protective coating or painting required
Apply without primer, without special preparation
Water-displacing roofing mastic
Dries quickly, less than 1 hour
Just crazy adhesion to virtually all substrates, including plastic
Not poisonous
Available in transparent version
It’s generally an ideal option for a pool, as it’s resistant to chemicals.

It is also necessary to note the fact that liquid roofing is quite elastic (400%), which means that it can be increased in size and returned to its original position. This waterproofing system has absolutely no joints, and therefore represents a single waterproof monolithic sheet.

Specifications:

Indicator name	Characteristic
Appearance	Continuous seamless flexible coating white(tinting possible)
Density	1300 kg/m3
Thermal conductivity	0.1 W/mS
Dry matter content	75%
Material consumption	1 kg/m2 - 1.2 kg/m2
Dry coating thickness	1 -2 mm
Temperature of application, storage and transportation	-25…+35С
Operating temperature	-55…+300 С
Adhesion strength to concrete
Elongation at break	650%
Resistant to water pressure	0.5 atm., 168 h
Swellability from water 20°C, 168h	0%
Tensile strength	148 kgf/cm2
Water resistance - pressure 0.001 MPa for 120 hours,	Waterproof, no sign of water penetration
UV resistance	Liquid roofing is 100% resistant to ultraviolet radiation and ozone, unlike liquid rubber, bitumen, and polyurethane.
Surfaces that can be coated	Concrete, plaster, bitumen, rolled roofing materials, slate, metal, tiles, wooden surfaces, polystyrene foam, galvanization, etc. Can be applied to wet surfaces, concrete floors, very wear-resistant roofing
Frost resistance of the finished coating (not less) Vapor permeability of the coating

How to apply liquid roofing correctly?

In order for the liquid roof to serve as long as possible and not lose its appearance and initial properties, special attention should be paid to the technology of its application.

As stated above, this material can be applied in three ways: cold spraying, pouring method and painting. However, regardless of the method you prefer, it will be necessary to carry out preliminary work. They can be divided into several stages, namely:

Remove dirt and loose coatings that are present on the old roof or other surface being treated.
Clean the roofs from roofing material that has peeled off.
Clean the surface from oil stains and dust.

If a flat roof is used as the surface to be treated, it should be checked for the presence of stagnant zones. You should also seal those places where the parapet meets the roof or pipes, ventilation, as well as any other elements that protrude beyond the treatment area.

The main thing when creating a liquid roof is to remember that everything should be done according to the manufacturer’s recommendations and, of course, existing building codes and requirements.

What should you consider when applying liquid roofing?

No matter how simple this application procedure may be, however, as in any other matter, there are some nuances here, as well as features that must be taken into account in order to ultimately obtain good result. So, before you start applying mastic, you need to prepare everything necessary equipment. It can be an airless compressor like GRACO, nozzle 23, as well as a roller or brush. This kind of equipment will significantly facilitate the procedure for applying liquid roofing and will make it possible to carry out this procedure much faster.

It is important to note that this work can be carried out at any time of the year. Maximum low temperature, at which you can work -35 degrees (but it will take 3 hours to dry).

Liquid roofing should be applied in strips, and their width should not exceed 1.5 meters, in which case you will be able to apply the waterproofing material as evenly as possible. Special attention You also need to pay attention to the thickness of the application; it should not be too thick. Taking into account all these nuances in the work, you will get an excellent result that will protect your roof for decades!

We give a 100% guarantee that your roof, when using our material, will never leak and will last for decades. Minimum costs - maximum results! New life to old quality!

Selection of photos: liquid roofing reviews from our clients:

Video about liquid waterproofing of paint and varnish materials of the USSR

Every building and structure has two elements most vulnerable to moisture - the foundation, buried in the ground, and the roof - exposed to rain, snow, ice and all other natural adversities. Therefore, insulation of all surfaces of these parts (horizontal, vertical and inclined) is no less important stage than, say, the calculation of structures and their precise execution. Ignoring or poor-quality waterproofing, as well as violation of structural calculations, lead first to a violation of the technical characteristics of the building, but also to the rapid destruction of its structures.

Until recently, only bitumen and rolled materials were used to protect the roof from moisture. But construction technologies do not stand still and today there are more effective methods, one of which is waterproofing with liquid rubber. This material is affordable and so easy to work with that you can waterproof your roof without any problems with your own hands.

What is liquid rubber

In terms of composition, liquid rubber or another name - liquid latex is a two-component aqueous emulsion based on bitumen mastic with the addition of latex particles and emulsifiers that maintain the composition in steady state. It is intended for cold application and hardens within a few minutes, forming a durable, very elastic coating that does not allow moisture and vapor to pass through.

Liquid rubber is presented for sale in the form of two components - A (the finished emulsion itself with the addition of calcium chloride - CaCl2, grade 1 according to GOST 450-77, as a coagulant to reduce the density of the finished material) and component B - this is a fixative that must be diluted with water strictly according to the instructions.

There are three types of liquid rubber based on the type of application:

sprayed (cold spray);
painting (paste-like consistency for application with a brush or roller);
bulk (poured and distributed in an even layer).

Video No. 1. Waterproofing liquid rubber

Advantages of liquid roof waterproofing

Liquid materials for roof insulation have numerous advantages over other types of protection:

allow you to reliably protect a roof of any design, slope, regardless of the number of connections and configuration of surfaces, the presence of utility networks;
This is seamless waterproofing over the entire roof area, the coating thickness is 3 or more millimeters;
the hardened coating has high wear resistance, resistance to mechanical damage and tearing, unique elasticity - it stretches by more than 1000% and returns to its previous state without damage;
fits perfectly on any building material - brick, concrete, reinforced concrete, wood, metal, Decoration Materials roofs - slate, tiles and others;
several DIY application options;
high speed of work and no waiting time;
complete inertness to temperature changes - operating range from - 60 to + 120 0 C;
long service life - at least 50 years;
absolute moisture resistance, steam, water and gas impermeability;
resistance to aggressive chemicals and UV radiation;
saving on preparatory work installation work ah - roof waterproofing can be done directly on old materials;
complete environmental safety for humans and environment– after application to the roof surface, only water evaporates from the composition.

Where can liquid rubber be used?

The cost of liquid rubber is low, so it is widely used in private and industrial construction for waterproofing all types of roofs - flat, pitched, hip, dome, etc. In particular, you can treat your roof with liquid rubber yourself. own home or cottages, and by spraying the following types of buildings and structures:

residential buildings of different heights;
public, administrative, commercial buildings;
industrial enterprises, hangars, warehouses, pavilions, kiosks;
shops and shopping centers;
entertainment establishments - theaters, circuses, water parks, shopping centers;
hospitals, sanatoriums, rest homes and others.

How to apply liquid waterproofing - technology

Depending on the type of rubber itself, there are, as already mentioned, liquid and liquid-paste materials. According to the method of application, waterproofing can be performed:

with a brush or roller - you can do this work yourself, however, a large volume will be difficult to master alone;
using an airless pump spraying unit - many construction companies offer these for rent with or without an operator.

There are also two methods of applying liquid rubber to protect the roof - cold and hot. The first option is preferable for DIY work. Hot application is much more difficult and requires a lot of experience.

Work algorithm for liquid roof waterproofing

Like any other work in construction, this procedure must also be divided into several stages.

Step 1. Calculation and purchase of the required amount of liquid rubber

To do this, you need to calculate the roof area and correlate it with the amount of material per 1 square meter as indicated on the packaging. If you do not find such data, then to apply insulation in 2 layers, with cold application, 1 kg of the composition is needed per 3 square meters. For the roof, you must take a reserve of +10% of the calculated quantity.

Step 2. Preparing the base

It is necessary to inspect the roof frame for damage and eliminate it. Remove dirt and debris, remove puddles of water, rinse the surface damp cloth and dry completely. Work with liquid materials can be carried out at temperatures above +5° C.

Step 3. Applying the solution

The work of treating the roof with your own hands is done with a wide brush or a paint roller by thoroughly coating the cold solution with a thickness of 3-4 mm. If you decide to make a hot solution, then you need to heat it to 22 degrees, cool to 15 and quickly distribute the portion to the designated area. Next you need to take a technological break of 10 minutes. During this time, liquid rubber completely polymerizes. Then apply the second and, if necessary, third layer in the same way. Hard to reach places Roofs are easiest to handle with a spatula.

Machine application allows you to cover the entire surface of the roof very quickly, and it saves the solution, since it is applied even layer in 3 mm. No special knowledge is required - everything you need is described in the instructions for the equipment. If you are planning to purchase an airless pump, then the following models are of the highest quality, do not require frequent repairs and are economical to operate: Pazkar RK-10, UND-01, TechnoProk B-21, RX-27.

The cost of the device ranges from 120 to 180 thousand rubles, but it quickly pays for itself, since the demand for rental of such equipment is constant.

Brands of the highest quality liquid rubber

Available in stores huge selection one- and two-component compositions. The following brands are considered to be the highest quality and most affordable for roof waterproofing:

foreign materials – Liquid Rubber, RauFlex, NIPPON ACE, Euromast;
domestic products – TechnoNikol, Slavyanka, Rapidflex, Ultramast, BRIT, CBS, Syntomast, PROFIX .

Video No. 2. Roof waterproofing with liquid rubber

Conclusion

In conclusion, I would like to say that waterproofing a roof with liquid rubber is the most affordable and effective method today. The main thing is to choose high-quality materials, follow the instructions - and you can reliably protect your house from leaks with your own hands. And if you want, you can make a good business out of this. According to calculations by the Russian business plan agency, the profitability is 75% with an initial investment of about 400 thousand rubles.

Everyone knows that the roof of a building is an important part of the construction of any type of roof. Therefore, the selection of roofing materials is considered one of the most important parts any construction work.

The main task of roofing coatings is to protect the roofs of buildings from precipitation in the form of rain and other weather phenomena. In this regard, liquid roofing is one of the most advanced materials that undoubtedly provide this reliable protection from the weather. This article will cover most of the pressing issues related to liquid roofing: different types and types of roofing, specifications liquid coating and operating features, and will also consider the main advantages and disadvantages of liquid materials for roof protection.

What is liquid roof coating?

Liquid coating is often called liquid rubber. Liquid rubber is the latest material for waterproofing, a new word in construction, and to put it simply, it is an emulsion of bitumen with the addition of chemical additives. Most often, liquid rubber is used to cover roofs, and is also used for repair work on bridges, tunnels, and individual sections of roads. With its help you can create a reliable waterproofing layer for foundations and basements.

But sometimes it also occurs unusual application: for waterproofing fountains, various types of tanks, containers, swimming pools. It also serves as excellent protection against corrosion of metal structures, is used in the repair of pitched roofs, and can be applied over materials that are already on the roof, such as wood, metal, or slate.

As you can see, the range of applications of this material is very wide. It is successfully used in many areas of construction. All this is possible thanks to excellent consumer properties, which this material has.

In the process of scientific research various companies It turned out that liquid rubber performed well as a result of many tests. It also turned out that liquid coating retains its properties for 10 years or more, and the material is not afraid of either water or sudden temperature changes.

This material was called rubber because it has excellent qualities that significantly distinguish it from other similar materials. Firstly, it is the ability to self-heal, one of the most unique properties of this material.

Even if some minor damage occurs, the rubber can return to its original shape over time, which, of course, cannot be achieved when using other types of roofing materials.

The main advantages and disadvantages of this type of coating

Coating the roof with liquid rubber is one of the most technological methods roof protection today.

Most often, liquid roofing is applied to an existing base, but can be used as an independent roofing covering or in combination with other roofing materials.

One of the most important properties of a liquid roof is its adhesive properties. It interacts well with various types of surfaces. It can be used without difficulty and without any problems on various types of materials, such as reinforced concrete, rolled materials, wood, cement screed, tiles, and metal coatings.

Advantages of liquid rubber roofing:

resistance to sudden temperature changes and ultraviolet radiation;
economical material consumption;
good resistance to aggressive environments;
when covered with this material there are absolutely no seams;
elasticity;
fairly long service life;
excellent waterproofing characteristics.

In addition to all this, repairing liquid roofing is very simple and accessible to everyone. It is enough to apply a layer of liquid rubber to the damaged areas, and that’s it - the roof will be as good as new.

Another excellent quality of these types of roofing materials is the fact that they can be applied in a “cold” state, that is, they do not require additional heating.

But of course, we should not forget about some of the disadvantages of this type of coating:

In comparison with others roofing coverings this one has a fairly high price;

The material is not very resistant to impact various types solvents or those products that contain petroleum;

This is where the disadvantages of liquid rubber end. As you can see, there are many more advantages than disadvantages, and therefore the use of such roofing material is widespread.

Well, besides, as already described above, such a parameter as elasticity is generally unique property this material, because it is not found in other types of roofing.

Where are polymer roofs most often used?

Liquid roofing is used on various types of buildings. This can be both industrial buildings and private construction. Due to its universal properties, it can be used not only as protective covering For various types roofs, but also as a separate roof covering.

Therefore, it is not surprising that this material is becoming increasingly popular and is winning a growing army of consumers.

Features of applying liquid rubber to a flat roof

Very often, liquid rubber is used for waterproofing industrial buildings with a flat roof. Therefore, each type of roof has its own characteristics in the application of liquid rubber.

Let us consider in more detail the application of liquid rubber to the surface of flat roofs and the features of coating with this material.

To obtain a high-quality and good waterproofing coating, liquid rubber must be applied to the base, which must be sufficiently smooth. It may not be very smooth, but the main thing is that the surface does not contain unnecessary objects and irregularities.

This is necessary so that when applying liquid rubber, the layer is distributed evenly and is approximately the same height. But the smoothness of the surface of the liquid roof itself, of course, largely depends on the equipment used.

If a layer of liquid rubber is applied by spraying polyurethane foam, the smoothness of the coating itself will largely depend on the equipment used.

When using an installation that operates under high pressure and when smooth surface, on which a rubber coating is applied, as a result of the work it is possible to obtain an almost seamless membrane using the spraying method.

If you used tools that can only work under low pressure, then most likely the surface will be very uneven. Lumps may even appear, and they will be of different heights, which, of course, will negatively affect the external attractiveness of the entire roof. And if the surface cannot be leveled, then before the spraying process you must still try to level it using a screed.

If liquid rubber is applied to roof slabs, it may happen that the consumption of polymer-bitumen emulsion will increase. If there is a layer of primer, in this case it is necessary to reinforce, if possible, all the connections that are located in the spaces between the insulating boards, not forgetting to put strips of geotextile in them.

The optimal way to apply a liquid roof is to apply the liquid composition over an already applied screed layer. Then the roof will certainly have a smooth and attractive appearance and will not lose its aesthetic qualities.

Reinforced - a universal material for all occasions

Liquid roofing is reinforced - this is a new concept in building materials. It is reinforced with so-called polyurethane elastomers. At the same time, it is an excellent example of the fact that the military-industrial complex is developing not only latest systems weapons, but can also work for the benefit of civilians.

Previously, this material was used only for defense needs and the military industry. But then he gradually came out of the shadows and began to actively gain popularity in industrial production and other sectors of life.

This material has improved reliability and wear resistance. Since its development was carried out by the military, it is natural that increased demands were placed on this material.

The material has the same properties as other liquid rubbers, the only difference is that all its characteristics are, although slightly, still better than those of similar materials.

Liquid roofing or liquid rubber is an excellent material for covering all types of roofs. It is used everywhere and is gaining well-deserved popularity, as additional remedy protection of the roof from external factors, as well as as a separate roofing covering.

When using liquid roofing, we can say with confidence that this is an excellent material that will last for many years, creating a unique look for the roof of the house and providing reliable protection in any conditions!

Liquid rubber is popularly called a popular material used for, based on petroleum bitumen. Professionals know how versatile this product is, but inexperienced craftsmen often underestimate self-leveling waterproofing. Liquid rubber can be used to construct a flat roof, do-it-yourself repair of old roofing felt coatings, and protect the roof and foundation from moisture. In this article we will dwell in detail on its composition, properties and methods of use.

Liquid rubber is a popular material for do-it-yourself roof waterproofing, made from bitumen emulsion. It is a thick, viscous, flowing liquid that hardens on the roof surface at a temperature of +5 degrees. After hardening, liquid rubber forms a durable, monolithic layer that does not allow moisture to pass through. In addition to bitumen emulsion, this waterproofing material includes:

Polymer additives. They improve the properties of liquid rubber, making it more resistant to temperature changes and mechanical damage.
Plasticizers. The task of plasticizers is to make the consistency of the bitumen emulsion more fluid and elastic, as well as to increase the adhesion of the composition.
Hardeners. Hardeners are responsible for curing this DIY roof waterproofing product after application.

Important! The composition of this waterproofing agent is in no way reminiscent of real rubber; it is so called because even after hardening it retains elasticity and ductility. In production, this waterproofing material is poured into metal barrels 200 liters or smaller containers.

Properties

Liquid rubber is a universal product for roof waterproofing with a wide range of applications. It is characterized by high water resistance, elasticity and ease of application by hand. The advantages of this material are considered:

Solidity. After the composition hardens, a monolithic waterproofing layer is formed on the roof surface, which does not allow moisture to pass through, and also has no joints or seams where leaks can occur.
High adhesion. This waterproofing material is able to penetrate small cracks and pores in the base of a wood, concrete or even metal roof without additional priming.
Weather resistant. The temperature range in which liquid rubber can “work” is from -75 to +95 degrees, which is quite enough for trouble-free operation throughout Russia.
Easy to apply. This waterproofing material can be used for vertical and horizontal surfaces. The composition can be applied using a brush, roller or spray.

Please note that the disadvantages of this waterproofing agent are its rather high price and low resistance to ultraviolet radiation. To protect a roof covered with liquid rubber from direct sun rays It is recommended to treat it with water-based or silicone-based paint.

Possibility of use

As already mentioned, liquid rubber can be used in a wide range of construction applications. It differs fundamentally from other waterproofing products in its consistency, which allows it to be applied to vertical and horizontal surfaces, as well as to cover narrow cracks and joints. It can be used for the following purposes:

For waterproofing flat roofs. The waterproofing material is evenly poured over the roof surface until a uniform layer of the required thickness is obtained. This technology is called self-leveling roofing.
For priming the roof base before laying rolled and piece roofing materials.
To protect the foundation and other structural elements of the house from moisture. Bitumen gives the composition bactericidal properties, so liquid rubber preserves materials well, protecting them from corrosion and rotting.
For repair soft roof with your own hands. Using liquid waterproofing, you can repair cracks, tears, holes, or glue a patch to the surface of an old roofing felt roof.

Experienced craftsmen believe that the high price of the material is compensated by the excellent performance characteristics of liquid waterproofing. It has been experimentally proven that a two-millimeter layer of liquid rubber corresponds in effectiveness to an eight-millimeter layer of rolled waterproofing materials.

Technology of use

Since the price of liquid rubber is quite high, it is necessary to carefully prepare the roof surface for it to work effectively. The service life and waterproofing qualities of the material depend on the quality of the preparatory work. The surfaces must be thoroughly cleaned of dirt and dust, and then dried, primed with mastic and a reinforcing layer of geotextile laid. After such preparation, you can apply liquid rubber with your own hands using one of the following methods:

Please note that for effective protection Surfaces from moisture are treated with liquid rubber with your own hands not just once, but 2-3 times at once. Re-application begins after the previous layer has set, which takes 5-9 hours.

Video instruction

Any structure needs waterproofing, which is used for the base, walls, roof and other elements. It is the roof that requires special protection, for which liquid rubber is increasingly used.

Peculiarities

Liquid rubber is modern material, which has excellent waterproofing characteristics. This material is created based on latex and bitumen emulsion. Liquid rubber can be used for roofing as protection or as an independent coating.

After application, the rubber begins to harden in a short time, turning from a liquid material into a solid, elastic membrane without seams or joints. This material can be used on various areas and roofs with complex structures. Liquid rubber cannot be compared with other types of waterproofing. You can easily verify this by studying its advantages.

Advantages and disadvantages

Roofing liquid rubber has a number of advantages and disadvantages. Acquaintance with this material will not be complete if you do not study these two sides.

The list of advantages consists of the following points:

uniformity and solidity of the coating, absence of seams and joints;
achieving maximum adhesive characteristics regardless of the coating material: concrete surface, wood or metal;
filling small surface defects with liquid material simplifies the preparation stage;

elasticity allows the liquid rubber coating to increase in size and return to its original parameters. This advantage becomes relevant with temperature changes and changing seasons. Cracks do not form on such a coating, which allows us to call it durable and hardy;
the use of a mechanized application method reduces installation time and improves the quality of application. Fast and high-quality installation is especially important when processing convex and complex elements;

environmental safety and absence of toxic substances;
a wide range of applications includes residential buildings, industrial and commercial complexes;
the possibility of using a finishing coating and creating a base area that can be used for further operation;
a large number of shades and textures opens up enormous opportunities for aesthetes and designers;
easy repairs requiring a minimum of time and finances. Possibility of repairs in a small area without affecting the main area.

To this impressive list of advantages are added the following disadvantages:

the need to use special equipment for applying liquid rubber to the roof;
high requirements for the surface preparation process;
availability of requirements for conditions external environment, which must be maintained during installation work;
the difficulty of dismantling a coating made of liquid rubber.

Varieties

The market for liquid rubber for roofing is actively developing. There are already many varieties of this material, which makes roll materials no longer relevant.

Classification can be based on various principles.

The one-component material has a liquid consistency and low viscosity. The color palette is varied, which opens up great possibilities for choice.
A two-component mastic liquid roofing, in addition to the main components, also includes a hardener. The components are mixed immediately before application to the surface.

The sprayed material is still recognized as the most promising due to its high quality and quick installation. Definitely requires the use of special equipment.
Painting rubber is available in a wide range. It can be liquid or paste-like. After hardening, it forms a film on the surface. Installation is carried out using hand tools.

Self-leveling roofing is an economical option and is usually used before installing the covering. The material is simply poured onto the prepared surface and leveled with a special hand tools, resembling a mop.
Hot rubber is more suitable for bitumen surfaces. The seamless surface provides reliable protection for the roof and the building as a whole.

Cold material It contains a solvent, is more mobile and convenient for installation. You can work with this material yourself. You should have gasoline or kerosene on hand, which may be needed to dilute the rubber.
Ureplen was developed recently by the military-industrial complex. Initially, this material was used exclusively for the military and defense industries, so its characteristics are at a high level. It can be used equally on flat and sloped roofs.
Liquid rubber may have different basis, bitumen and polyurethane foam are most often used. The second option is more innovative, durable and hardy. Although bitumen is not going to fade into the background yet, since it is a proven, affordable and high-quality option.

How to choose?

At the time of purchase, you must carefully examine the liquid material. It cannot contain large elements; the waterproofing must be uniform, homogeneous and smooth. Otherwise, when laying, the surface will not be smooth and of high quality. The packaging label must have a stamp that complies with GOST. You need to pay attention to the expiration date and integrity of the packaging. If you have even the slightest doubt, you should refuse to purchase.

Various materials can be applied in various ways. Each manufacturer puts on the packaging recommendations for use and the required thickness at which the material will provide adequate protection. You should not deviate from these recommendations.

To decide which tire is the best, it is worth studying the market offers. It is better to give preference well-known companies, which have managed to earn the respect and recognition of consumers.

Manufacturers

Many companies are involved in the production of liquid rubber. There are both domestic and foreign representatives among them. It’s easy to get lost in such an assortment, so you should pay attention to the most popular and worthy manufacturers, whose products will not be a disappointment.

Should start with Russian manufacturer, or rather, from a whole group of companies "Partner-Stroy". It supplies the market with several products at once: Euromast, Euromast Plus and Euromast Color. This product is chosen for high quality, reasonable price and large assortment.

At the company's production facilities "Rise" high-quality liquid one-component rubber is produced "Blockade". This material fully complies with international standards that apply to waterproofing materials of such a type. Pleased with the reasonable price, which pushes into the background the products of many manufacturers. The company offers discounts for bulk orders.

Another worthy domestic manufacturer is the company "LKM USSR". It produces a wide range of polymer protective materials, including liquid rubber. These products are widely used in the construction of the industrial and civil sectors of Russia. Waterproofing is produced on the basis of developments that were created for the military-industrial complex of the USSR, and for a long time remained classified. Liquid rubber is based on bitumen, which is ideal for waterproofing protection of various types of surfaces.

Organization "Synthetic Polymer" is part of the company Nippon Ace, which produces, develops, promotes and sells polymer compounds. These materials are non-seasonal water-displacing compositions that have a wide range of applications. There are no analogues of this product; none of the existing manufacturers yet produces such material.

Application equipment

For high-quality application of the material, it is necessary to use special equipment. A mobile spray gun is mainly used as such a technique. Its preparation is the first stage from which rubber spraying begins. The spray mechanism consists of a dispenser and a mixing device. In most cases, gasoline is used as fuel rather than electricity. This feature ensures mobility, compactness, autonomy and ease of use. With this set of features, work is possible even in hard-to-reach places.

The mechanism also includes a long hose, the length of which can reach 150 meters. Due to this, during the installation process there is no need to constantly move the device around the roof area. The environmental friendliness of the material allows you to do without individual funds protection even when working indoors.

Instructions for use

When treating a roof with liquid rubber, you must strictly adhere to the application technique.

Otherwise, the end result may be disappointing.

For work, you need to choose dry weather with an air temperature above +5 degrees.
The base must be carefully prepared for further work. The essence of this stage is to clean the working surface. There should be no contamination left, not to mention garbage. The cleaning process can use powerful water pressure or burning. The last method is applicable for greasy and other difficult stains.

Priming is the next stage, the essence of which is to create a primary layer of waterproofing on the prepared surface. The construction of the future roof directly depends on the quality of priming, so you need to approach this stage seriously. The result of this stage will be the elimination of the smallest particles of dust, impurities invisible to the eye and ensuring maximum adhesion between the surface and liquid rubber.

The installation technology is completed by applying liquid rubber by spraying. It is necessary to strive for uniformity of the layer. This will be easy to do if you maintain a right angle between the base and the sprayer. You also need to maintain the same distance that will be maintained between the base and the extreme point of the sprayer.
The constituent materials of the solution are mixed directly during spraying. For this purpose, the equipment has a special compartment. The width of each strip should be between 1–1.5 m. Transitions should be cross-shaped.

On flat roofs, several layers are sprayed, their number can be up to three.
Fittings must be present. For this purpose, you can use geotextiles or fiberglass.

Consumption per 1 m² with a layer thickness of 2 mm is 3 liters of liquid rubber. Hardening of the material depends on external conditions. At an air temperature of +20 degrees and a humidity of no more than 50%, it takes three days for complete hardening. Drops of liquid may appear on the surface, which is normal. The reason for this phenomenon is the work of the catalyst.