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GCP APPLIED TECHNOLOGIES (FORMERLY GRACE) ULTRA ROOFING UNDERLAYMENT

34" x 70' roll

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Availability: In stock

$372.77
 

Details

Self-adhered roofing underlayment for the highest temperature applications 

 

Grace Ultra™ roofing underlayment is composed of two waterproofing materials—an aggressive butyl rubber based adhesive backed by a layer of high density cross laminated polyethylene.

The product is 30 mils (0.76 mm) thick making it easy to handle and apply. The unique, advanced adhesive formulation offers premium adhesion to the roof deck, high quality laps, superior seal around roofing fasteners, and outstanding high temperature stability.

The adhesive is backed by a protective plastic release liner that protects its adhesive quality. The release liner is easily removed allowing the adhesive to be bonded tightly to the roof deck.

The membrane comes in a 198 ft2 (18.4 m2) roll, and measures 34 in. (864 mm) wide. 

Features & Benefits

  • Easy to handle and apply—The membrane bonds firmly to the roof deck and forms high quality laps.
  • Self sealing—The membrane meets key building code standards for nail sealability of self-adhered roofing underlayments.
  • Heat resistance—The membrane is specially formulated to resist temperatures up to 300°F without degradation of the butyl adhesive.
  • Better Chemical Resistance— Compatible with low slope roofing materials such as EPDM and TPO
  • Slip resistant surface—The slip resistant surface maximizes traction for safety without compromising the water integrity of the laps.
  • Plastic release—Plastic is easy to remove and easy to dispose of.
  • Reroofable—Unlike some granular surfaced membranes, Grace Ultra™ underlayment will not adhere to the underside of the exposed roof covering making reroofing easier and less costly.
  • Grace expertise—Grace is the recognized leader in self-adhered roofing underlayments and is the manufacturer of Grace Ice & Water Shield® roofing underlayment.
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