Boss 180 Multi-Seal is a one component, moisture curing adhesive formulated with USP™ Technology for adhering anchor pins to rigid boards, fibrous semi-rigid board, masonry walls, ducts, metal buildings, painted and galvanized surfaces. Boss 180 Multi-Seal has immediate grab and high bond strength allowing insulation to be hung in 24 hours. Check an anchor pin before hanging insulation to be sure it is secure. Cure times vary with humidity. Boss 180 Multi-Seal forms a strong bond even on damp surfaces.