
SALE PRICE VALID UNTIL AUG 31, 2026
Rockwool Comfortboard 80 Rigid Insulation 80.15" x 24 x 48 48 SqFt
ROCKWOOL COMFORTBOARD 80 is a rigid stone wool continuous insulation board used as a non-structural sheathing product in residential construction. It is designed to provide increased thermal performance to the building envelope. Installing COMFORTBOARD 80 as continuous insulation with our ROCKWOOL COMFORTBATT as the wall cavity insulation contributes to a higher effective R-value wall system. COMFORTBOARD 80 is non-combustible, vapour permeable, water repellent and sound absorbent. It has also received ICC-ES validated product acceptance in accordance to IRC and IBC for the following uses: non-structural thermal insulation in non-fire-resistant rated dwellings; exterior parameter insulation around foundation; under flat concrete slab; a component of residential wood-framed cathedral ceilings; and in areas where probability of termite infestation is 'very heavy.'
1. Returns are accepted within 30 days of purchase.
2. Merchandise must be in resalable condition, clean, and in its original packaging.
3. Proof of purchase is required.
4. Returns are not accepted on non-stocking or special-order items.
With over 30,000 annual deliveries, we maintain a dedicated fleet of trucks, tractors and trailers. Nearly all our delivery vehicles are equipped with specialized equipment necessary to deliver your materials in a safe and efficient manner, whether it be in a basement, on a roof, multi-family developments or commercial job sites.