Sound Block Acoustical, Draft, Smoke & Sound Sealant 28 oz. - White

Professional-grade, acoustical latex sealant specifically designed to reduce sound transmission & improve STC ratings in all types of wall & floor systems where a sound rated assembly is required. It is ideal for sealing openings around electrical boxes, pipes, duct systems, cut-outs and other types of utility equipment penetrating wall surfaces, as well as perimeter edges including abutting surfaces and corner joints.

Features & Benefits

• Meets or Exceeds the following ASTM Specifications: ASTM E90, ASTM C834,, ASTM E84 Class A / UL723, ASTM D412, ASTM C919, & ASTM D218
• For use on sound-rated wall & floor systems
• Reduces sound transmission, smoke migration & drafts
• Stays flexible / non-sagging
• Crackproof
• Strong adhesion to wide variety of building materials
• Easy water clean-up
• Interior/exterior use