STI's Commercial and Residential Firestop Sealant. Great Combination of Price and Performance.
- Economical: Intumescent performance at a non-intumescent price
- Highly Intumescent: Expands up to 10X
- Safe for contact with plastics
- Water-Based for easy installation and cleanup
- Water-Resistant: Will not re-emulsify when dry
- Acoustically Tested: Reduces sound transmission
- Low VOC's: Safe. No solvents. Non-halogenated
- Pale Red: For easy identification
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