NobleBond EXT bonding agent is a wet-set adhesive that provides a high-strength, water-resistant bond coat. Formulated for interior and exterior applications, use it with the company's sheet membranes to provide crack isolation, sound control, and waterproofing, on, above-, or below-grade. This low-odor, non-flammable, zero-VOC substance is protected with an anti-microbial agent to prevent mildew and bacteria growth. Noble Co. 800-878-5788.