Sealing mortar CERESIT

Sealing mortars

In modern construction, sealing mortars are increasingly used, which are more than an alternative to waterproofing films and membranes. Modern preparations create water-resistant coatings, at the same time fill any unevenness. Thanks to this, they can also be used successfully in places with irregular shapes and difficult access.

Mineral masses and liquid films are distinguished from sealing mortars. The former are different from other materials used in insulation, that they are vapor permeable, so they do not inhibit the flow of water vapor through the walls. This ensures that the right level of humidity is maintained indoors, a health-friendly microclimate. Mineral masses are most often used to perform insulation on vertical surfaces. Depending on the type, mineral sealing mortars that are flexible and rigid can be distinguished.

Dry sealing mortars are most often made on the basis of Portland cement. The addition of polymers makes the finished mass ideal not only for insulation of living quarters, but also for the creation of insulation layers in cellars and foundations. This prevents moisture from entering the walls of the building. Dry sealing masses can also be used in other areas where there is high moisture, including bathrooms, swimming pools and other water bodies (including drinking water). Dry sealing mortars are available for one-component and two-component sealing.

The group of insulating mortars also includes sealing films for interiors. The smooth consistency allows you to reach every nook and cra crannies, creating a layer with a high degree of flexibility. The mass after binding forms a tight, high-strength coating. Cement plasters, drywall, cement-lime plasters, gypsum blocks, concrete floors, aerated concrete blocks, wood-based slabs – on these materials liquid sealing film works best, guaranteeing a high level of protection against the negative influence of water and moisture.

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