Physical Description
GMC Roofing Felt is an industry leading, superior quality “authentic” asphalt saturated organic felt underlayment. All GMC products meet various ASTM standards.
4 Square Standard
15 ASTM D 4869 Type I covers 432 Sq Ft.
Is also available in a 324 Sq Ft roll
Width: 39 3/8″
Is packaged on 36 rolls/pallet, 36 pallets/truckload
2 Square Standard
30 ASTM D 4869 Type II covers 216 Sq Ft
Width: 39 3/8″
Is packaged on 36 rolls/pallet, 36 pallets/truckload
18″ 30 ASTM
18″ 30 ASTM D 226 covers 180 Sq Ft
Width: 18″
Is packaged 32 rolls per pallet
22″ 30 ASTM
22″ 30 ASTM D 226 covers 220 Sq. Ft.
Width: 22″
Is packaged 32 rolls per pallet
4 Square ASTM
15 ASTM D 226 Type I covers 432 Sq. Ft.
Is also available in a 324 Sq. Ft. roll
Width: 39 3/8″
Is packaged on 25 rolls/pallet, 34 pallets/truckload
2 Square ASTM
30 ASTM D 226 Type II covers 216 Sq. Ft.
Width: 39 3/8″
Is packaged on 25 rolls/pallet, 34 pallets/truckload
Glass Base Sheet “GBS 40”
MSR “Mineral Surface Roll Roofing”
Organic Base Sheet “Organic 40”
