Product Catalog Catalog HVAC Insulation Unfaced R38 Unfaced Batt Fiberglass Insulation, 64 Sq. Ft. Coverage, 13 x 24 x 48-In. UPC: 31979110469 Manufacturer: Johns Manville Intl Inc SKU: 128281 Model Number: 90007903 R38 Unfaced Fiberglass Batt Insulation, 42.66 Sq. Ft. Coverage, 13 x 16 x 48-In. UPC: 31979133574 Manufacturer: Johns Manville Intl Inc SKU: 128286 Model Number: 90007902 R19 Unfaced Batt Insulation, 88.18 Sq. Ft. Coverage, 6.5 x 15 x 93-In. UPC: 31979110001 Manufacturer: Johns Manville Intl Inc SKU: 128289 Model Number: 90007869 R19 Unfaced Fiberglass Insulation, 75.07 Sq. Ft. Coverage, 5.5 x 23-In. x 39' 2-In. Roll UPC: 31979638734 Manufacturer: Johns Manville Intl Inc SKU: 134504 Model Number: 90003722 Un-Faced Kraft Batt Insulation, R13, 106.5-Sq. Ft. Bag UPC: 31979109562 Manufacturer: Johns Manville Intl Inc SKU: 197487 Model Number: U1330 R6.7 Unfaced Multi-purpose Fiberglass Insulation, 5.33 Sq. Ft. Coverage, 2 x 16 x 48-In. Roll UPC: 31979133130 Manufacturer: Johns Manville Intl Inc SKU: 601185 Model Number: 90010045 R19 Unfaced Fiberglass Insulation, 48.96 Sq. Ft. Coverage, 6.5" x 15" x 39' 2" Roll UPC: 31979638727 Manufacturer: Johns Manville Intl Inc SKU: 601235 Model Number: 90003721