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Roofing Materials - Weights

Weight calculator for roofing materials.

roofing materials

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

Roofing Materials

Sheating Materials


Oriented Strand Board (OSB), Com-Ply

Underlayment Materials

Asphalt impregnated felt paper

  • 1 lbm /ft2= 4.88 kg/m2

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

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