Johns Manville R-30 Unfaced Fiberglass Insulation Batt 16 in. x 48 in. (8-Bags) U1343 - Avayadevconnect

JM Unfaced Formaldehyde-free fiberglass insulation offers R-values ranging from R-11 to R-38, as well as effective thermal and noise control. It delivers comfort helping homes stay cooler in the summer and warmer in the winter to reduce energy costs. Our Unfaced fiberglass insulation is available in pre-cut batts for standard-sized wall cavities and in rolls that can be cut to fit any size cavity. Great for: new construction and remodels.