This multi-purpose self-adhesive FlexWrap NF tape from Tyvek can be used for sealing windows, chimney breasts, pipe penetrations and more. It does not allow gaps and leaks to occur, ensuring airtight and watertight protection. It has a durable top sheet, a butyl adhesive layer and a split release liner. Packaged in ready to use seals - no additional fixings are required.
Ideal for internal and external use
Allows for structural movement
Performs over a wide range of temperature
50 percent quicker than standard tapes
Quick and easy to install
Easily adaptable to different shapes