ROXUL Safe®
ROCKWOOL ROXUL Safe® is a stone wool fireblocking insulation designed to fill perimeter gaps between concrete floor slabs and exterior wall systems, between firewalls and ceiling slabs, through penetrations, and around conduit pipes and duct openings.
1/2
Popular applications
- Exterior wall insulation
- Perimeter fire containment insulation
- Fire protection insulation
About ROXUL Safe®
ROCKWOOL ROXUL Safe® is a stone wool insulation used in fire-stopping applications. It is designed to fill perimeter gaps between concrete floor slabs and exterior wall systems, between firewalls and ceiling slabs, and around conduit pipes and duct openings through walls and floor slabs.
ROXUL Safe is noncombustible and fire resistant, and will not develop toxic smoke or promote flame spread. This product is a component of ASTM E2307 tested and approved perimeter fire containment systems.
- Noncombustible and fire resistant
- Firestopping material
- Dimensional stability to maintain performance
- Inorganic, does not promote mold growth
- Water and moisture repellent
Why use stone wool insulation
- Noncombustible and fire resistant, stone wool works to contain a fire and prevent its spread.
- Will not develop toxic smoke or promote flame spread, even when exposed directly to a fire.
- Water repellent to resist absorption and enhance an assembly's drying potential.
- Nondirectional fiber orientation helps absorb sound moving between interior spaces and noise from the exterior.
- Dimensionally stable, stone wool does not expand or contract due to temperature variances.
Applications
- Engineered for fire-rated joints, through penetrations and perimeter fire containment systems.
- Designed to be compression fit within joints and penetrations.
- Always used in conjunction with a fire sealant in tested and approved systems.
Product certificates
UL Classified - CA/USA
ETL Intertek Listed - CA/USA
Declare

ROXUL Safe fire safing insulation - Data sheet
ROCKWOOL ROXUL Safe® is a lightweight, semi-rigid stone wool insulation designed to provide fire protection in perimeter fire containment systems (compliant with ASTM E2307), wall and floor penetrations including conduit pipes and duct openings, construction joints, and other firestopping applications.

ROXUL Safe info technique
ROCKWOOL ROXUL Safe est un isolant coupe-feu et acoustique pour murs et dalles.
Attend a ROCKonnect Masterclass
Earn CEUs and gain expert insights into high-performance building envelope design—all in a live virtual format built for commercial building professionals. Learn from award-winning experts and apply real-world solutions to your next project.





