The Duro-Last SB IV Adhesive is a low volatile organic compound (VOC) solvent-based adhesive used to bond Duro-Last Roofing, Inc. The Membranes to a variety of substrates on horizontal and vertical surfaces.

SB IV Adhesive may be used on the following substrates, after they have been properly prepared. The installing contractor is responsible for following all applicable building, plumbing and electrical codes.

• Structural Concrete (poured in place or precast)
• Wood (Plywood, OSB or Lumber)
• Polyisocyanurate Rigid Insulation Board
• Duro-Guard® Cover Boards