3M FireDam" Spray 100

3M Firedam Spray is a sprayable coating that results in a quicker, easier, more cost-effective alternative to caulking, and is designed for firestopping head-of-wall and other construction joints. Its elastomeric properties are ideal for dynamic construction joints and gaps, and can accommodate vibration from normal building movement. Prevents the spread of fire, smoke, toxic fumes and moisture for up to four hours. Water based - dries in ambient conditions. Bonds quickly to substrate to form a flexible seal. High coverage rate - reduces installation time. Paintable. Applied with conventional airless spray equipment.