Knauf Ecobatt R-21 HD Unfaced Fiberglass Insulation Batts - All Sizes Size:5.5 in x 23 in x 93 in (4 Bags) Installation requires no special tools

Installation requires no special tools or clothing

metal buildings and under slab radiant heating systems

Rockwool ComfortBatt R30: With an R-value of 30

Can be applied to the exterior or interior of exterior walls

Knauf Ecobatt R-21 HD Unfaced Fiberglass Insulation Batts - All Sizes Size:5.5 in x 23 in x 93 in (4 Bags) Installation requires no special toolsIf you require delivery to ID, MT, OR or WA, please select that delivery zone as pricing and delivery to those states may vary. Knauf EcoBatt Fiberglass Insulation Batts with ECOSE Technology are a flexible glass mineral wool batt insulation made from sand and over 50% recycled glass bottles bonded with ECOSE Technology. Fiberglass insulation is the most cost effective way to increase thermal performance. By reducing energy usage, fiberglass