Formulated for flexibility that stays where it's sprayed, 3M FireDam Spray 200 controls the transmission of fire, heat, smoke and noxious gasses before, during and after exposure to fire. This firestop coating is ideal for sealing building joints, pene
- 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
- Water-based formula cleans up easily and saves time
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