EverGuard® TPO SBA 1121 Bonding Adhesive

EverGuard® 1121 Bonding Adhesive is a general purpose, fast-drying, contact-type rubber-based bonding adhesive for attaching single-ply TPO membranes and flashings to various substrates, including polyisocyanurate (polyiso) insulation and gypsum-based cover boards. It’s easy to apply with a roller or a brush.


  Container Size Net Contents
PAIL 5-gallon (18.9 liter) 4.75-gallon (17.98 liter)
DRUM 55-gallon (208 liter) 53-gallon (200.6 liter)

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  • Wait time for adhesive flash
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Installation

  1. GAF Adhesive is rolled on both the substrate and membrane and allowed to flash off.

    Step 1

    Insulation is fastened to the deck
  2. GAF Worker applying Insulation to a deck

    Step 2

    Adhesive is rolled on both the substrate and membrane and allowed to flash off
  3. Membrane is welded at the seams and grommed in.

    Step 3

    Membrane is welded at the seams and groomed in.
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