Types of mounting foams

18 January 2024, 08:00

Types of mounting foams

Types of mounting foams

Assembly foams are an essential product used in the renovation and construction industry. They are used primarily in the process of insulating a room or an entire building. They are one of the elements of heating and water insulation. They are also used to seal window and door gaps. What are the different types of mounting foams? In what situations can we use them?

Types of mounting foams. Choosing the right product is half the success

Let's first look at the basic types of mounting foams. There are two most popular types available on the market:

one-component mounting foams (symbol 1K) - the most popular and universal model. Available in hose and gun dosing systems. It is worth noting that this type of foam is usually chosen more often because of its speed. Appropriate surface hardening occurs in a very short time. The large increase in volume is also important,

two-component mounting foams (2K) - used when, to put it simply, "time is of the essence". They are characterized by high adhesive power and little increase in volume.

Taking into account the structure of the mounting foam, we can distinguish:

open-cell assembly foams - the surface "breathes". The openness of the cells means that they can only be used in the internal environment - e.g. for insulating and soundproofing walls and during attic adaptations,

closed-cell foams - their advantage: high cell density, and therefore resistance to moisture, mold and fungi. Perfect product for outdoor use: roof insulation, etc.

Properties of mounting foam.

Assembly foam is used both for work inside buildings and in the outdoor environment. Their main advantage is resistance to moisture, thanks to the closed cell structure. It is resistant to mold and fungi. It is distinguished by reliable adhesion to virtually any type of surface. The uniform structure and chemical neutrality after hardening are also important. The renovation and construction industry also appreciates the ease of application of mounting foam. This applies primarily to the pistol form, where application is not only easy and hassle-free, but also in many cases the product used can be reused.

Polyurethane foams - what makes them different?

the assembly foam provides thermal insulation, which results in significant savings in the costs of insulating the building/room,

less load on roof and wall structures,

mounting foams are characterized by stability and high mechanical resistance,

excellent acoustic insulation,

ecological thermal insulation of buildings,

proper air flow.


It is available in a hose or pistol version. It has excellent adhesion to all construction materials such as wood, concrete, porous concrete, brick, metal and aluminum. It has high mechanical strength and provides good acoustic and thermal insulation. Please remember that after application its volume increases by approximately 2-3 times.


Low-pressure, single-component polyurethane gun foam hardens under the influence of moisture in the air. The foam has high adhesion parameters to typical building materials such as brick, concrete, plaster, wood and metal

and styrofoam. It has excellent protective parameters against cold, drafts and noise. Provides good acoustic and thermal insulation. Increases volume after application by approx. 2 - 3 times.

It comes in standard and increased capacity. The volume of Professional XXL foam after hardening is up to 70 l, which is approximately 40% more than in the case of standard polyurethane gun foam.


Professional polyurethane gun foam for application at low temperatures down to -10°C. It has high mechanical strength and is characterized by excellent protective parameters against cold, drafts and noise. The foam has excellent adhesion to most building materials such as brick, concrete, plaster, wood, metal and polystyrene.


Fire-resistant polyurethane foam is used in works that require the use of a product that meets the B1 fire resistance class. Fresh foam has good adhesion to all building materials, and hardened foam is resistant to high and low temperatures.


SUPERSZYBKI Foam-Glue is a one-component, quick-setting polyurethane adhesive with high adhesive strength and low expansion. Adheres well to most building materials such as wood, concrete, porous concrete, brick, metal, plasterboard and aluminum. It is quick-setting, making it both easy to handle and work

are easier.


Low-pressure, one-component polyurethane adhesive intended for attaching EPS and XPS polystyrene boards, when insulating buildings using the jointless method (ETICS) and insulating foundations and ground-level parts of buildings, basements, etc.


The Stalco Perfect line cleaner for polyurethane foams is a modern preparation for cleaning freshly dirty surfaces and application guns. It is intended for removing uncured polyurethane foams and adhesives. Is necessary

for cleaning valves in containers and guns dispensing single-component assembly and sealing foam. It is an excellent agent for degreasing surfaces

from fats, oils, soot, tar, waxes, glue residues, fresh putties and sealing masses.


It is a modern alternative to traditional cement mortar. It is intended for quick installation of blocks made of ceramics, aerated concrete and silicate, as well as for the construction of walls from various building materials. It eliminates thermal bridges and has high efficiency: up to 12 m² of wall from one package.


The choice of mounting foam depends strictly on the nature of the work and the individual budget. Before purchasing, it is worth familiarizing yourself with the parameters and applications of individual mounting foams.

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