CertainTeed CertaPRO R11 Unfaced Batts - All Sizes

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Light-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 3.5" x 16" x 96" 170.67 16 3. 5" x 24" x 96" 256 16 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 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. Show more