Metacaulk® Joint Strip a flexible, highly intumescent firestop material used in concrete and masonry control joints up to 1″ (25 mm)wide. It forms a strong char that prevents the passage of flame, smoke, and hot gases between control joints.
Metacaulk® Joint Strip a flexible, highly intumescent firestop material used in concrete and masonry control joints up to 1″ (25 mm)wide. It forms a strong char that prevents the passage of flame, smoke, and hot gases between control joints.