4800DW is an exceptional quality high solids latex base elastomeric firestop caulk. This enhanced firestop material can be applied with standard caulking applicator guns or trowelled in place with conventional trowelling tools. This performance material has excellent caulking and finishing characteristics. 4800DW sealant forms a tight bond with most common construction materials; wood, concrete, gypsum wallboard, steel, copper, cast iron, all plastics, electrical cable, wires and metallic ducts. 4800DW is designed to be a one component fire and smoke stop seal. Some listings may require additional fire resistive components. Consult current published listings.
4800DW is used extensibely in through penetrations and construction joints for 1, 2, 3 and 4-hour fire rated wall and floor assemblies. After fully cured, it will remain flexible and water resistant.