DuPont™ Insta Stik™ Flex+

Insta Stik^™ Flex+ is a moisture-curing, fire rated, one-component polyurethane foam sealant. It is mainly used for sustainable airtight installation of windows and doors. Due to its impressive flexibility, it copes with window frame movements caused by temperature changes and wind loads without degradation of the airtightness. In addition, the foam sealant shows good acoustic and thermal insulation performance. 

Insta Stik^™ Flex+ has been tested according to ÖNORM B 5320 “installation of windows and doors into walls”.