... minutes or spray moist .3. Strong bond, and material, more secure, solid, and may also reduce ... or ceiling tiles and mosaic2. Fixed-point bonding insulation, sound insulation material. Such as expanded polystyrene , expanded polyurethane , fiberglass ... or ceiling tiles and mosaic 2. Fixedpoint bonding insulation, sound insulation material. Such as expanded polystyrene , expanded polyurethane , ...