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DuPont Tyvek FlexWrap NF - 152mm x 23m

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£112.22 Incl. VAT
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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.


Dimensions: 152mm x 23m
Coverage: 3.4 m²
Colour: White (black adhesive) 
Elongation: ca. 160 % (2.6 x of the original lenght)
Installation temperature:  > 0 °C
UV resistance: 4 months


The 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.


  • Superior protection /air and watertight seals.
  • Quick and easy installation.
  • Superior durability.
  • Excellent adhesion performance.

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