The solution for sealing window & door joints faster and safer
Permanently flexible, durable and airtight foam for window & door sealing applications that doesn’t require an interior tape
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”.
In combination with DuPont™ Tyvek® tapes, Insta Stik™ Flex+ passed the system test performed on a real building element. When using the airtight Insta Stik™ Flex+ foam sealant to fill the building joint, there is no need to apply an interior airtight tape.
|Tested accord. to ÖNORM B 5320 “installation of windows and doors into walls||
|Closed cell structure once fully cured||
|Airtightness in joints||
|Adheres well to common surfaces in the field of window and door installation.||
750ml, carton of 12 cans each
Great Stuff Pro™ Foam Cleaner