{"product_id":"rockwool-comfortbatt-r30-7-1-4-in-x-23-in-x-47-in-30-03-sqft","title":"ROCKWOOL® COMFORTBATT R30 7-1\/4 in. X 23 in. X 47 in (30.03 SQFT)","description":"About 30.03 sq ft per bag. This Comfortbatt® R-30 package is semi-rigid stone wool at 7.25 × 23 × 47 in. for wood studs at 24 in. on center—ROCKWOOL documents the 24 in. o.c. wood module as 23 in. × 47 in. on the USA TDS (05-2025). Noncombustible per ASTM E136 and 0\/0 flame\/smoke per ASTM E84 in manufacturer documentation. Intended for deep cavities such as attics, cathedral ceilings, and compatible wood framing—not nominal 2×4 stud bays.","brand":"ROCKWOOL","offers":[{"title":"Default Title","offer_id":53898818650422,"sku":"169102","price":85.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/9129\/7334\/files\/Rockwool_Comfortbatt_2_Insulation.png?v=1781470339","url":"https:\/\/yearsbuildingmaterials.com\/products\/rockwool-comfortbatt-r30-7-1-4-in-x-23-in-x-47-in-30-03-sqft","provider":"YEARS","version":"1.0","type":"link"}