Div 07 · Thermal & Moisture Protection
CFS-S SIL SL Firestop Silicone Sealant
H
Hilti · CFS-S SIL SL
A self-leveling silicone firestop sealant for high-movement joints and penetrations in fire-rated floor slabs.
✓ Verified 2026-08-28
Specs on this page were checked against Hilti CFS-S SIL SL product page on 2026-08-28.
Specifications
| VOC content | 41.63 g/L (SCAQMD Rule 1168) |
| Applications | Joints and penetrations in fire compartment floors |
Certifications & Standards
UL 1479
Attributes — product claims, not third-party certifications
Self-leveling siliconeW-rating for water resistanceLow-emitting material under LEED v4
Sustainability
No sustainability metrics on file for this product.