![Rockwool ComfortBatt (R21 - 5.5" x 15.25") [39.82 sqft/bag]](http://machbuildingsupply.com/cdn/shop/files/Screenshot2023-08-09at2.09.33PM.png?v=1691608189&width=972)
Rockwool ComfortBatt (R21 - 5.5" x 15.25") [39.82 sqft/bag]
R21-Rated Mineral Wool Insulation Batts
39.82 sqft per Bag
8 Batts per Bag
5.5” Thick / 15.25” Wide / 47” Long
![Rockwool ComfortBatt (R21 - 5.5" x 15.25") [39.82 sqft/bag]](http://machbuildingsupply.com/cdn/shop/files/Screenshot2023-08-09at2.09.33PM.png?v=1691608189&width=972)
Rockwool ComfortBatt (R21 - 5.5" x 15.25") [39.82 sqft/bag]
Sale price$53.50
Regular price (/)