M-BOND ™ ADHESIVE/SEALANT Description M-Bond™ Adhesive/Sealant is a moisture-curing polyether roofing sealant that bonds to asphaltic membranes, concrete, steel, aluminum, wood, glass, and PVC. Uses Designed for use in the M-Curb™ Pitch Pocket System to seal around penetrations; also used to adhere the M-Curb™ Pitch Pocket System to the asphaltic roof. See M-Curb™ Pitch Pocket System Installation Instructions at gaf.com for more information.