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Production of concrete precast elements

Production of concrete precast elements

The prefabricated concrete elements help to significantly shorten the construction time on site and ensure a higher product quality as the concrete elements have been produced in a controlled environment.

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Sealing corners of concrete framework

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Sealing thermal insulation joints

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Gluing the concrete framework corners

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Installing windows with PU foam

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Air- and vapour-proofing window joints

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Weather-sealing window perimeters

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Backing material for sealant

Sealing corners of concrete framework

Sealing the concrete element’s framework is essential to prevent the water from infiltrating the element and to ensure that it will have the correct corner finishing. Penosil offers a variety of weatherproof sealants for this purpose.

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    Sealing thermal insulation joints

    If the insulation boards cannot be pressed completely against each other, gaps remain between the boards that cause air leakages. In order to prevent thermal bridges and air leakages, it is necessary to seal the joints with a construction foam that has good thermal insulation values. To fill the narrow and tight joints between insulation boards, we recommend using a construction foam with our patented EasyGun applicator.

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      Gluing the concrete framework corners

      To ensure perfectly shaped concrete element corners, it is recommended to glue them to the framework with sealant. Well-shaped corners are not only aesthetically pleasing but also prevent concrete wash from seeping through the structure.

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        Installing windows with PU foam

        A growing trend is that windows are already installed on the concrete element at the factory. The quality of installation work in a controlled factory environment is better, and it reduces the construction time on site. To minimise heat losses in window connections, the joints between the window frame and wall must be sealed with a construction foam. For window installation, it is important to choose a PU foam that has an elastic structure, and is therefore able to move with the building’s deformations, and has excellent thermal- and sound-insulation values.

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          Air- and vapour-proofing window joints

          A growing trend is that windows are already installed on the concrete element at the factory. The quality of installation work in a controlled factory environment is better, and it reduces the construction time on site. To avoid heat losses, condensation and mould growth, the window and wall connecting joints should be sealed from inside with air- and vapour-proof tapes.

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            Weather-sealing window perimeters

            One of the last steps in window installation is the final sealing and filling of window joints. For this work, it is highly recommended to use sealants with weather- and UV-proof properties and high elasticity.

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              Backing material for sealant

              To ensure a sealant’s correct thickness and shape, it is recommended to use a backer rod in the joint to be sealed. Using a backer rod in a sealant joint reduces the quantity of sealant used and helps to avoid the sealant’s three-sided adhesion.

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