Grabber Acoustical Sound & Smoke Sealant - Non-flammable, water-based product developed specifically for the reduction of sound and smoke transmission in all types of wall partition systems. Easy application and easy cleanup. Used correctly and as directed, sealant will achieve and maintain specific STC (Sound Transmission Class) values specified for various wall system designs. This product should be used in office buildings, sound studios, hospitals, schools, hotels and motels, apartment complexes, and other areas where sound smoke ratings are required. This sealant is also ideal for sealing out air infiltration and unwanted moisture in residential construction.

Features

• Eliminates sound transmission by sealing fixtures,cracks and gaps
• Improves STC Values and upgrades sound quality
• Cleans easily with water in wet state
• UL 723 classified
• Exceeds ASTM C834
• Test in accordance with ASTM E84, ASTM E90 and ASTM C919
• Will meet NFPA Class A fire rating
• Paintable with premium grade water-based paints 2-4 hours after application. Do not apply if rain is expected within 12 hours. Not recommended for continuous submersion or use below the waterline.

28 oz tube