SabreGrip R74 is a single-part moisture cure urethane foam adhesive designed specifically for bonding insulation boards in flat roof applications. Successful bonds are achieved when bonding ISO boards, tissue faced insulation boards, PIR and PUR boards to a variety of roof decks including concrete, plywood and cementitious boards. SabreGrip R74 PU also works with EPS or XPS (expanded and extruded polystyrene) and will adhere insulation boards to existing felt for re-roof applications.

How to Use

  • Substrate Preparation

    Make sure that surfaces are clean, dry, and free from dirt, dust, oil, loose paint, wax, or grease, etc.

  • Adhesive Application

    Bead about 100mm – 200mm away at a 45-degree angle to the surface, applying a consistent 20-30mm wide bead every 300mm.

  • Insulation Board Installation:

    Place insulation boards onto beads of adhesive immediately without pressure. Wait 5 minutes for adhesive to set, before walking insulation boards in.

  • Bonding:

    If the spray tip clogs, unscrew the spray tip from the gun and clean with solvents such as lacquer thinner or acetone. Do not use a pin on the spray tip.