Knauf Ecobatt R-49 Kraft Faced Fiberglass Insulation Batts - All Sizes Size:13.75 in x 19 in x 48 in (4 Bags) The side rails are integrated

The side rails are integrated into the bottom sash and extend during its opening

the majority of customers have found that the benefits of the Knauf Ecobatt R-15 HD Unfaced Fiberglass Insulation Batts far outweigh the additional cost

This Insulation from Owens Corning serves as a vapor barrier and bounds the home to stay cooler in summer and warmer in winter

Aluminum Low-Profile Step Flashing for flat profile roofing material such as shingles

The Class-A rating (flame spread of 25 or less) of FROTH-PAK™ Foam Insulation allows its use in a wide range of industrial

Knauf Ecobatt R-49 Kraft Faced Fiberglass Insulation Batts - All Sizes Size:13.75 in x 19 in x 48 in (4 Bags) The side rails are integratedIf 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