Nashua Tape
6 in. x 50 ft. Select Window and Door Flashing Tape



Protect your windows and doors from rough weather with Nashua Premium Butyl Rubber Flashing Tape. When properly installed, this versatile flashing tape seals against wind-driven rain and air infiltration and defends against mold, mildew and premature decay. Nashua Trusted Tapes get the job done right, the first time, every time.

  • Tough and durable flashing tape seals around window and door installations to prevent water and air penetration
  • Compatible with most common sealants and caulking materials - no damaging chemical interactions
  • Helps to defend against mold, mildew and premature decay
  • High performance premium butyl rubber adhesive stays sticky in cold weather installation (to 20F) and doesn't flow in hot weather exposure (to 180F)
  • Seals sidewall sheathing seams and deck-to-wall joints
  • Seals corner board abutments
  • Resists UV degradation for up to 1 year of outdoor exposure prior to window/door installation
  • Low VOC (volatile organic compounds) content
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Roofing Accessories & Tool Type
Roofing Tape
Roofing Product Type
Roofing Tool/Accessory

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