CertainTeed R21 Paperfaced Batts - All Sizes Size:5.5 in x 23 in x 93 in (Master Pack 4 Bags) Owens Corning Thermafiber Ultrabatt R-30

Owens Corning Thermafiber Ultrabatt R-30 (All Sizes): Owens Corning Thermafiber Ultrabatt R-30 is a premium insulation product made from mineral wool

XPS or EPS options

Single Bubble White Foil: Similar to the Double Bubble White Foil

Can this insulation be used in both residential and commercial applications

Suitable for use insulating external ductwork and within other OEM industrial applications

CertainTeed R21 Paperfaced Batts - All Sizes Size:5.5 in x 23 in x 93 in (Master Pack 4 Bags) Owens Corning Thermafiber Ultrabatt R-30Light 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