Knauf Ecobatt R-21 HD Unfaced Fiberglass Insulation Batts - All Sizes Size:5.5 in x 23 in x 93 in (4 Bags) It's made from water-repellent glass

It's made from water-repellent glass fibers

Can be applied to the exterior or interior of exterior walls

The above application information is a summary for reference only

It is important to wear protective clothing and a mask during installation to avoid inhaling the fibers

25" x 15" x 106" 110

Knauf Ecobatt R-21 HD Unfaced Fiberglass Insulation Batts - All Sizes Size:5.5 in x 23 in x 93 in (4 Bags) It's made from water-repellent glassIf 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