STI SpecSeal Smoke ‘N’ Sound Sealant comes in a single grade that can be caulked, knifed, or troweled. This sealant is designed for sealing through-penetrations and membrane penetrations in smoke rated walls.
- Economical – high performance without the high price
- Water resistant – will not re-emulsify when dry
- Water-based – easy installation, cleanup, and disposal
- Remains flexible – allows movement
- Acoustically tested, reduces noise transmission