3M FireDam Spray 200 is a sprayable material that dries to form a tough, elastomeric coating. It will firestop building joints, curtain wall perimeter joints and through penetration seals to control the transmission of fire, heat, smoke and noxious gas. This water-based firestop sealer is applied with conventional airless sprayers, dries quickly and cleans up easily.

Features:
Provides up to 4-hour fire protection in construction joints per ASTM E 1966 (UL 2079)
Provides up to 3-hour fire protection in perimeter fire barrier systems (curtain walls) in accordance with ASTM E 2307
Highly elastic sealer is compression/extension tested up to 50% of nominal joint width without cracking
Resists freezing and thaws for a consistent seal in a range of conditions