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FT Synthetics Block Aide Butyl Self Adhered Commercial Vapor Barrier

- Available in 2 Options. Pricing may vary.

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Product Information


The FT Synthetics Block Aide Butyl Self Adhered Commercial Vapor Barrier is a commercial roofing membrane that is designed with a combination of a durable tri-laminate low density polyethylene facer and an advanced butyl rubber adhesive. This peel and stick commercial roofing barrier can be adhered to a properly prepared cement board, concrete, gypsum, OSB, plywood, steel roof decks, and low slope roofing materials such as EPDM and TPO. Block Aide is mainly designed to be a part of a commercial roof assembly as a full coverage vapor barrier and can temporarily be used as a 90 day or less UV exposed roofing membrane. FT Synthetics Block Aide has a high tack Butyl adhesive with a thermal stability up to 260 Degrees F and an extremely low installation temperature of 14 Degrees F.


  • Adhesion up to 3X Stronger than standard modified bitumen products
  • Advanced adhesive formulation will not crack or dry out and offers up to 18 months shelf life without significant adhesive strength reduction
  • Self sealing around roong fasteners. (Product meets and exceeds ASTM D1970)
  • Watertight overlaps without special treatment or requirement for primers
  • Easy to remove double sided release liner
  • UV Exposure rating up to 90 days


  • Roll Length: 134 ft.
  • Roll Width: 45 in.
  • Roll Coverage: 5 squares (500 square feet)
  • Roll Weight: 86 lbs.
  • Roll Thickness: 31 mils
  • Compliant Codes: ASTM G154, ASTM D1970, ASTM D1876, ASTM D4869, ASTM E96, ASTM D5147, ASTM E2179

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