Berry Plastics Polyken Shadowlastic Plus Flashing Tape

Berry Plastics Polyken Shadowlastic Plus Flashing Tape

Polyken Shadowlastic Plus Roof and Window Flashing Tape utilizes the latest butyl technology and offers unique features making it ideal for a variety of flashing and weatherproofing applications. It provides an excellent bond to wood, metal, vinyl and other common building materials. The black woven polyolefin backing and specially-formulated butyl adhesive maintains pliability and adhesion in both high and low temperature environments. This flashing tape will withstand UV degradation for up to three years of exposure and has low VOC's. It is compatible with caulking and sealants and has an easy to remove release liner. It is available in 20 mil or 35 mil thickness to suit the needs of both residential and commercial applications. Polyken Shadowlastic Plus Flashing Tape has an installation temperature of -1°C to 82°C (30°F to 180°F) and an operating temperature of -34°C to 93° (-30°F to 200°F).

Two models are available:

  • 627-20: For window and door installations, cornerboard abutments, sidewall sheathing seams, deck-to-wall joints, etc. Standard sizes are 4", 6", or 9" x 100'.
  • 627-35: For roof ridge and hiplines, window and door installations, skylight and dormer installations, etc. Standard sizes are 6" and 9" x 50'. 


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