Low-VOC Bonding Adhesive 1168 is a high-strength, solvent-based contact adhesive that allows bonding of EPDM and TPO membrane to various porous and non-porous substrates. Low-VOC Bonding Adhesive 1168 is compatible with polyisocyanurate insulation, structural and lightweight concrete, plywood, oriented strand board, wood fiberboard, SECUROCK®, masonry and various metal finishes. Low-VOC Bonding Adhesive 1168 is easily applied with a 9" (228 mm) medium nap roller to create a strong adhesive bond between the membrane and substrate.