Light-density fiberglass batts with a kraft, foil, or a foil scrim kraft (FSK) fire-resistant vapor retarder facing. Size Sq/Ft Per Bag Batts Per Bag 3.5" x 15" x 93" 125 13 3.5" x 15.25" x 93" 128 13 3.5" x 15" x 105" 142.19 13 3.5" x 15.25" x 105" 144.56 13 3.5" x 16" x 96" 138.67 13 3.5" x 23" x 93" 193.1 13 USES To improve the 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 required. PRODUCT BENEFITS Excellent thermal performance. Will not rot or mildew resists fungal growth. Lightweight easily fabricated and installed. FSK-25 only: UL listed flame spread rating of 25 for exposed applications. Low perm rating.
