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Indoor sealing tape
Sealing tape with high level of vapour diffusion tightness of the aluminium film
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A WÜRTH sealing system product
The individual components of the WÜRTH sealing system products are compatible with each other as far as the material is concerned.
Airtight and water-vapour-tight
The specifications of the applicable German heat protection ordinance and DIN 4108 Part 7 are fulfilled when the product is used correctly.
Easy to use
The excellent adhesive force of butyl ensures easy installation.
Cannot be plastered over.
The usage instructions are recommendations based on the tests we have conducted and are based on our experience; carry out your own tests before each application. Due to the wide variety of applications as well as storage and processing conditions, we do not assume any liability for a specific application result. Insofar as our free customer service provides technical information or acts as an advisory service, no responsibility is assumed by this service except where the advice or information given falls within the scope of our specified, contractually agreed service or the advisor was acting deliberately. We ensure the consistent quality of our products. We reserve the right to make technical changes and other developments.
The reliable, easy-to-install sealing tape is used for:
- Airtight and water-vapour-tight inner window joints.
- Completely plastered indoor reveals in old buildings and prefabricated buildings.
1. Clean substrate of oil, grease and any loose material.
2. A butyl primer should be used on highly absorbent mineral surfaces.
3. Remove the protective film from the butyl strip and apply it to the masonry so that the butyl tape is positioned behind the inner surface of the window; firmly press using a press-on roller.
4. Fill the foam joint with PURLOGIC Top or PURLOGIC Flex.
5. Remove the protective film from the self-adhesive strip and attach it to the window frame so that it sticks out between 10 and 15 mm; firmly press using a press-on roller.
6. The sealing tape can be covered with a joint cover.
7. The butyl strip and the Flexband adhesive, Flexband adhesive Plus or EPDM sealing-tape adhesive must not come into contact with each other.
Select RAL-colour code
!! NOTE: On-screen visualisation of the colour differs from real colour shade!!