A one-component, moisture-curing adhesive formulated with USP™ Technology for sticking 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 will vary with humidity. BOSS® 180 Multi-Seal® forms a strong bond even on damp surfaces.