USG Sheetrock® Brand Acoustical Sealant is a water-based highly elastic and easy to apply with hand-gun equipment to vertical and horizontal surfaces (even overhead) without sagging.
USG Sealant is excellent for fire-rated partitions and acceptable for use the the perimeter of wall assemblies rate 1-3 hours. It can be used in full load bearing, steel stud partitions (WHI-9-28-78). It boasts 0/0 flame-spread/smoke-developed Surface Burning Characteristics with Underwriters Laboratories. Excellent sound-flanking material (supports high STC ratings)
- Superior performance as a fire caulk in UL-classified joint systems
- Ideal for use in smoke and/or sound assemblies
- Meets ASTM C834 specifications for latex sealants
- Grade -18°C (0°F) low temperature flexibility, strong bond
- Low VOC
USG Sheetrock® Brand Acoustical Sealant