ROCKWOOL Comfortboard® 80 is a rigid stone wool board designed for continuous insulation applications. A non-structural sheathing product, Comfortboard 80 provides increased thermal performance to the building envelope. Comfortboard 80 does not produce smoke or propagate flames, providing a critical line of defense that keeps occupants safe and reduces property damage in the event of a fire.

Applications
- Non-structural thermal insulation
- Basement continuous insulation
- Exterior perimeter insulation around foundation
- Under flat concrete slab
- Residential wood-framed cathedral ceilings