Waterproofing of buildings and structures, swimming pool construction, and foundation reinforcement
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Polyurethane Waterproofing

The surface is impregnated with special compounds that seal microscopic pores and prevent moisture from penetrating deeper

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Company Gidropas specializes in waterproofing of buildings and structures, swimming pool construction and waterproofing, and foundation reinforcement. Over 27 years of operation ,we have completed more than 500 projects across Moscow, the Moscow region, and the Russian Far North. We provide every client with detailed consultations, recommend high-quality materials, and always deliver projects strictly on schedule. All services come with a warranty of up to 5 years.

Alexander Arestov Chief Engineer

Quality

We use innovative waterproofing methods and the best materials

Deadlines

We meet the deadlines specified in the contract
and deliver completed projects on the exact day

Pricing

Fixed price for waterproofing works

Alexander Arestov. Chief Engineer

Quality

We use innovative waterproofing methods and the best materials

Deadlines

We meet the deadlines specified in the contract
and deliver completed projects on the exact day

Pricing

Fixed price for waterproofing works

Why/When Polyurethane Waterproofing Is Needed

Various materials are used for polyurethane waterproofing, but only mastic can compete with bitumen. It is used to protect bridges, supporting structures, and road infrastructure. However, thanks to its high reliability, it is also suitable for pools, garages, foundations, and roofs, as well as for screeds and under-tile applications. Overall, polyurethane is suitable for both exterior and interior work, including floor protection.

Roof waterproofing is a special case, since unlike other types of mastic, polyurethane is more wear-resistant and therefore won't develop microcracks under environmental exposure. This is due to its resistance to temperature fluctuations — it withstands both freezing and thawing cycles typical of the local climate without issue.

Advantages of Polyurethane:

resistant to abrasion
withstands temperature fluctuations
highly resistant to pressure
less susceptible to chemicals than other materials
average service life — 15 years

How Polyurethane Waterproofing Work Is Carried Out

The main requirement for polyurethane waterproofing
is the condition of the surface:

Surface Preparation

The surface must be dry, level, and clean. Before application, dust, rust, and oily substances must be removed. Rinsing the surface with pressurized water and allowing it to dry is a good approach.

Defect Repair

Before starting work, all defects must be repaired. For example, cracks should be filled with an appropriate repair material.

Please Note

When working with this type of waterproofing, keep in mind that aggressive chemical cleaning methods are not recommended. The surface must also be treated with a primer before application: polyurethane is typically applied 3–4 hours after the primer has dried.

Otherwise, the application process for polyurethane is quite similar to that of bitumen. Sealants and mastics for polyurethane waterproofing can be applied using almost any convenient method — brush, roller, etc. Reinforcing elements such as mesh tape or fiberglass cloth can be used to reinforce joints: the technician first installs the fiberglass mesh, then applies the reinforcing layer, and finally covers everything with two layers of waterproofing.

Also, take into account the time needed to prepare the material itself: for example, polyurethane mastic should sit in a warm room for about 24 hours so that its viscosity reaches optimal levels (this approach is relevant for work carried out at temperatures below 15°C). The mastic can also be thinned with xylene to speed up the process.

It's best to consult a specialist about which type of waterproofing to choose. Based on the project's requirements, it will become clear whether single-component polyurethane waterproofing is suitable for you, or whether another option should be considered.

Important to Remember

Polyurethane can and should be applied in multiple layers, but each layer must dry for about 4 hours before the next is applied. To enhance the technical properties of the polyurethane, the final layer can be sprinkled with dry graded quartz sand and coated with a finishing varnish.

How Much Polyurethane Waterproofing Costs

Despite its excellent technical properties, which place polyurethane waterproofing among the market leaders, the price of the required materials is higher than that of other types of waterproofing.

The decision on which option to use depends on the project's requirements: the type of structure, its function, and, of course, the objectives outlined by the client at the outset.

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Our Projects

Alexander Shilov Art Gallery

Completed Projects: waterproofing works for the storage areas of the artist's studio on two underground floors, 7 meters below ground level

Moscow, Znamenka 3

Swimming pool complex of the "Oktyabr" stadium

Completed Projects: turnkey construction of an outdoor pool from scratch on the site of former tennis courts

Moscow, Zhivopisnaya 21

Stylobate section of the Cathedral of Christ the Savior

Completed Projects: waterproofing of the underground part of the Cathedral according to the project design, using the XYPEX system

Moscow, Volkhonka 15

Metro Stations

Completed Projects: technical supervision and waterproofing of metro tunnels and stations

Govorovo, Solntsevo, Rasskazovka

PIK "Sheremetyevsky" Residential Complex

Completed Projects: waterproofing of expansion joints in the underground parking garage

Moscow, Skladochnaya 6

Russian Practical Shooting Federation

Completed Projects: waterproofing of the storage facility and installation of a polyurethane floor

Moscow, Lubyansky Proezd 27

Zurab Tsereteli Gallery of Arts

Completed Projects: waterproofing of the joint between the dome section and the drainage channel using XYPEX technology

Moscow, Prechistenka St. 19/11с2

Residential Building in Perovo

Completed Projects: waterproofing of the residential building's parking garage

Moscow, Plyushcheva St. 16

Moscow International House of Music (MIHM)

Completed Projects: waterproofing of the dome roof and elevator pit

Moscow, Kosmodamianskaya Embankment, 52с8

PIK "Yaroslavsky Kvartal" Residential Complex

Completed Projects: waterproofing of storage units in the underground parking garage

Mytishchi, Yaroslavskoye Shosse

    Our Workflow

    Request for Services

    Submit a request on the website or call +7 (925) 878-06-78 and we will give you a preliminary cost estimate for your project

    Engineer Site Visit

    After a preliminary cost estimate, if the price range works for you, our engineer visits the site and prepares a technical and commercial proposal

    Calculation of Works + Materials

    We will provide recommendations on material selection and reinforcement/waterproofing technology, and calculate the exact price for your project

    Signing of the Contract

    After the technical and commercial proposal (KP) is agreed upon, we sign the contract. We start work upon receipt of an advance payment. We accept both cash and non-cash payments, with or without VAT

    Execution of Works

    We mobilize equipment, materials, and manpower, and begin waterproofing or reinforcement works

    Acceptance and Payment

    You inspect the quality of the completed work and, after signing the acceptance certificate, pay the remaining balance under the contract

    Have Any Questions?

    Message us and we will answer all your questions

    Frequently Asked Questions

    What warranty do you provide for completed works?

    The warranty for any type of waterproofing is 2 years. For injection waterproofing and foundation reinforcement, the warranty is up to 5 years.

    Why is injection waterproofing needed?

    Injection waterproofing helps to interrupt capillary flow and reduce the permeability of foundations, walls, and floor slabs. Injections of polyurethane gel (works on concrete), polyurethane resin (works on concrete and precast structures), and silicon-siloxane compounds (work on brickwork and precast structures) prevent moisture from being absorbed into the structural materials and improve the waterproofing properties of buildings.

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    Working Hours: Daily: 10:00 AM – 8:00 PM
    Moscow Varshavskoye Shosse, 1a, Premises 28/2