HT Underlayment

EXCEPTIONAL® HT (high temperature) is a self-adhesive roof underlayment and eave protection membrane composed of SBS-modified bitumen designed to withstand service temperatures up to 240 F (116 C).

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Features

  • Protects decking up to 90 days until an EXCEPTIONAL Metals roofing system can be installed.
  • Slip-resistant tri-laminate woven polyethylene surface provides a safer temporary surface to walk.
  • Compatible with common decking: plywood, oriented strand boards (OSB), asphaltic boards, wood plank, concrete and masonry.
  • Peel-and-stick adhesive for easy application.
  • Apply HT Primer to enhance adhesion.
Roll dimensions, weight Net Coverage per roll Rolls per skid
3’ x 67’, 40-lbs. 184.3 sq. ft 36 (~6,634.80 sq. ft.)

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