The white coloured, single-sided high-performance adhesive tape Fentrim 20 is the optimal solution for permanent airtight bonding of window and door frames in solid construction from the inside.
Complies with energy saving regulations EnEV (D), SIA 331/343/274 (CH), suited for RAL-certified installation, Europ. patent: EP1339924, US Patent No. 7,445,828 B2