Grabber Acoustical Sound Sealant GSCSF 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 after cure Do not apply if rain is expected within 12 hours. Not recommended for continuous submersion or use below the waterline.
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