Seam Tape

American WeatherStar Seam Tape is a pressure-sensitive seam sealing tape with Dupont Sontara® Fabric backing bonded onto 20 mils of Butyl Rubber adhesive. This product stays flexible, even at low temperatures, to allow for the expansion and contraction of the substrate. With its aggressive grip, Seam Tape provides superior adhesion to produce an immediate, water tight seal. This product VOC compliant and is environmentally safe.

Benefits
  • Light weight and easy to use
  • Maintains physical properties when wet
  • Excellent elongation and tensile strength
Sizes

3 in. x 50 ft., 4 in. x 50 ft., 6 in. x 50 ft.


Seam Tape is recommended for sealing seams and penetrations on a metal roof. This product can take the place of polyester fabric, and offer greater strength.

Download Product Data Sheet
Application:

Apply Seam Tape only to clean, dry, sound surfaces free of loose particles or other foreign matter. Peel off release liner. Apply exactly to desired area. Trying to remove Seam Tape may damage the tape or substrate. Press down firmly starting at the center and working towards outside edge, removing bubbles. Some wrinkling should not affect seal or product performance. Edges must have no openings, funnels or fishmouths. Immediate, water tight bond can be achieved and full cured bond within 24 hours.


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