CertainTeed R21 Paperfaced Batts - All Sizes Size:5.5 in x 23 in x 93 in (Master Pack 4 Bags) Per Pack:25

Per Pack:25

What is faced fiberglass insulation

Light-density fiberglass batts with a kraft

XPS or EPS options

CertainTeed R21 Paperfaced Batts - All Sizes Size:5.5 in x 23 in x 93 in (Master Pack 4 Bags) Per Pack:25Light density fiber glass batts with a kraft, foil, or a foil scrim kraft (FSK) fire resistant vapor retarder facing. Size Sq Ft Per Bag Batts Per Bag 5. 5" x 15" x 93" 77. 5 8 5. 5" x 23" x 93" 118. 83 8 USES To improve thermal performance of exterior and interior walls and floor ceiling assemblies. Kraft: non exposed steel stud construction. Foil: non exposed wood and steel stud construction. FSK 25: where a Fire Hazard Classification of 25 50 is