Roofing Materials - Weights

The weight of roofing constructions above the truss/rafter may be estimated with the calculator below.

Roofing Materials

None
Asphalt roll roofing (1.1 lb _m /ft ² , 5.4 kg/m ² )
Asphalt shingle or asphalt-fiberglass composite shingle (2.7 lb _m /ft ² , 13.2 kg/m ² )
Metal roofing - aluminum or steel - panel, sheet or shingle (1.2 lb _m /ft ² , 5.9 kg/m ² )
Terne plate - copper bearing steel sheet (0.7 lb _m /ft ² , 3.4 kg/m ² )
Wood shingle or shake (2.4 lb _m /ft ² , 11.7 kg/m ² )
Zinc roofing (1.6 lb _m /ft ² , 7.8 kg/m ² )
Copper-asphalt composite shingle (4.2 lb _m /ft ² , 20.5 kg/m ² )
Asphalt roll roofing (1.1 lb _m /ft ² , 5.4 kg/m ² )
Felt, tar and gravel roofing - 3 ply (4.8 lb _m /ft ² , 23.4 kg/m ² )
Felt, tar and gravel roofing - 4 ply (5.3 lb _m /ft ² , 25.9 kg/m ² )
Felt, tar and gravel roofing - 5 ply (6.1 lb _m /ft ² , 29.8 kg/m ² )
Felt, tar and slag roofing - 3 ply (4.5 lb _m /ft ² , 22 kg/m ² )
Felt, tar and slag roofing - 4 ply (4.8 lb _m /ft ² , 23.4 kg/m ² )
Felt, tar and slag roofing - 5 ply (5.3 lb _m /ft ² , 25.9 kg/m ² )
Ceramic slate (5.8 lb _m /ft ² , 28.3 kg/m ² )
Reconstituted slate (4.4 lb _m /ft ² , 21.5 kg/m ² )
Clay tile (10.8 lb _m /ft ² , 52.7 kg/m ² )
Asphalt roll roofing (1.1 lb _m /ft ² , 5.4 kg/m ² )
Concrete tile (9.3 lb _m /ft ² , 45.4 kg/m ² )
Slate - 1/4" to 3/16 thick (9.1 lb _m /ft ² , 44.4 kg/m ² )
Slate - 3/8" thick (12.8 lb _m /ft ² , 62.5 kg/m ² )
Slate - 1/2" thick (18.8 lb _m /ft ² , 91.8 kg/m ² )
Slate - 3/4" thick (26.0 lb _m /ft ² , 127 kg/m ² )

Sheating Materials

Plywood

None 5/16" thick (1.0 lb _m /ft ² , 4.9 kg/m ² ) 3/8" thick (1.1 lb _m /ft ² , 5.4 kg/m ² ) 7/16" thick (1.3 lb _m /ft ² , 6.3 kg/m ² ) 15/32" thick (1.4 lb _m /ft ² , 6.8 kg/m ² ) 1/2" thick (1.5 lb _m /ft ² , 7.3 kg/m ² ) 19/32" thick (1.8 lb _m /ft ² , 8.8 kg/m ² ) 5/8" thick (1.9 lb _m /ft ² , 9.3 kg/m ² ) 23/32" thick (2.2 lb _m /ft ² , 10.7 kg/m ² ) 3/4" thick (2.3 lb _m /ft ² , 11.2 kg/m ² ) 7/8" thick (2.3 lb _m /ft ² , 11.2 kg/m ² ) 1" thick (3.0 lb _m /ft ² , 14.6 kg/m ² ) 1 1/8" thick (3.3 lb _m /ft ² , 16.1 kg/m ² )

Oriented Strand Board (OSB), Com-Ply

5/16" thick (1.1 lb _m /ft ² , 5.4 kg/m ² ) 3/8" thick (1.2 lb _m /ft ² , 5.9 kg/m ² ) 7/16" thick (1.4 lb _m /ft ² , 6.8 kg/m ² ) 15/32" thick (1.5 lb _m /ft ² , 7.3 kg/m ² ) 1/2" thick (1.7 lb _m /ft ² , 8.3 kg/m ² ) 19/32" thick (2.0 lb _m /ft ² , 9.8 kg/m ² ) 5/8" thick (2.1 lb _m /ft ² , 10.3 kg/m ² ) 23/32" thick (2.4 lb _m /ft ² , 11.7 kg/m ² ) 3/4" thick (2.5 lb _m /ft ² , 12.2 kg/m ² ) 7/8" thick (2.9 lb _m /ft ² , 14.2 kg/m ² ) 1" thick (3.3 lb _m /ft ² , 16.1 kg/m ² ) 1 1/8" thick (3.6 lb _m /ft ² , 17.6 kg/m ² )

Underlayment Materials

Asphalt impregnated felt paper

None 15 pound paper (0.2 lb _m /ft ² , 1 kg/m ² ) 30 pound paper (0.3 lb _m /ft ² , 1.5 kg/m ² ) 45 pound paper (0.5 lb _m /ft ² , 2.4 kg/m ² )

• Load Calculator!

• 1 lb _m /ft ² = 4.88 kg/m ²

Note! - the weight of truss/rafter must be added to calculate the dead load of the roof.