CertainTeed R21 Unfaced Batts - All Sizes Size:5.5 in x 15.25 in x 93 in (Master Pack 4 Bags) Improves the thermal performance of

Improves the thermal performance of walls

the Rockwool AFB insulation is a great choice for those who need acoustic and fire-resistant insulation

500 BTU Window Air Conditioner

the insulation is manufactured in compliance with ASTM C665 and is acceptable for use in ICC building construction types

Will not corrode

CertainTeed R21 Unfaced Batts - All Sizes Size:5.5 in x 15.25 in x 93 in (Master Pack 4 Bags) Improves the thermal performance ofThese Unfaced, light density fiberglass batts are used in steel stud construction. The batts are designed for friction fit installation. Unfaced or kraft faced ceiling batts are designed to lay directly on suspended ceiling systems. Faced batts have no tabs. When installed they must be butted together. Size Sq Ft Per Bag Batts Per Bag 5. 5" x 15. 25" x 93" 78 7 5. 5" x 15. 25" x 105" 89 8 5. 5" x 23. 25" x 93" 120 8 USES To enhance the acoustical and