Tyvek FlexWrap flashing tape works seamlessly with Tyvek and AirGuard products to help you create continuous airtight and watertight seals.Ideal for both internal and external use, this flashing tape can be used in a number of applications, including; sealing windows, chimney breasts, pipe penetrations and other custom shapes, ensuring air-tight and water-tight protection when you need it most. The Tyvek FlexWrap NF tape is quick and easy to use and can get the job done 50% faster than standard tapes and seals on the market, and require no additional fixings. The durable Tyvek top sheet will also adapt itself to structural movements Tyvek FlexWrap is compatible with a huge choice of building materials and will adapt to common and uncommon shapes from windows to chimney breasts, creating a water-tight and air-tight seal that will withstand the elements.SpecificationDimensions: 152mm x 23mCoverage: 3.4 mColour: White (black adhesive)  Elongation: ca. 160 % (2.6 x of the original lenght)Installation temperature:  > 0 CUV resistance: 4 monthsInstallationThe surface must be free from dirt, moisture, ice, grease and other materials which could reduce the adhesion of the tape. Tyvek FlexWrap is to be installed when dry and at temperatures above 0 C. A primer may be used for application temperatures below 0 C and non-ideal surface conditions.Properly position Tyvek FlexWrap around the surface to seal.Minimise wrinkles and bubbles by smoothing the surface and by repositioning as necessary.Apply pressure by hand along the entire surface to achieve a good bond to the substrate. (After pressure has been applied repositioning may be difficult.)After completion of the installation Tyvek FlexWrap has to be covered within 4 months with the appropriate building materials.BenefitsSuperior protection /air and watertight seals.Quick and easy installation.Superior durability.Excellent adhesion performance.