Roof Dead Load

Roof material dead load table.

Roof dead load.

The following table provides typical weights dead load self weight for various roofing materials. Gypsum board 2 0 psf 5 8 in. The values for dead loads in table 3 2 are for commonly used materials and constructions in light frame residential buildings. The live load on a roof is the weight of any temporary objects on the roof.

Where possible the values were taken directly from manufacturer technical data sheets and are the actual weights of specific representative products. Dead loads in short the dead load of a structure comprises its completed weight usually measured in pounds per square foot before it goes into service. Minimum design dead load can be found in asce 7 table c3 1. Dead loads consist of the permanent construction material loads comprising the roof floor wall and foundation systems including claddings finishes and fixed equipment.

Of ceiling 1 5 psf 3 15 lb. Dead loads depends upon the unit weight of the material. Ft dead load of roof of wood shingle construction 10 lbs. And also the permanent fixtures present in the structure.

Where snow isn t a problem the. And 1 90 lb 1 7 psf with ceiling be sure to add wt. In a few cases the weights we give were calculated using more general manufacturer data or taken from a non manufacturer source that we consider reasonably authoritative. Dead loads includes the self weight of walls floors beams columns etc.

Load limits on the roof of a building dead loads. Remember these loads are distributed uniformly over the entire surface of the roof. Joist span bridging girder load width half joist span live load on roof local requirements for wind and snow. The dead load on a roof is the weight of the roof structure itself along with any permanently attached.

And 1 90 lb 2 2 psf 3 ply and gravel 5 6 psf ceiling 4 ply and gravel 6 0 psf acoustical fiber tile 1 0 psf roof sheathing 1 2 in. Building materials are not dead loads until constructed in permanent position. Shingles and paper 2 5 psf without ceiling 1 0 psf 2 15 lb. The floors walls roof columns stairs permanent equipment and any fixed decor constitute a static load that normally doesn t change over the life of the building.

Live load on attic floor local requirements. Usually the weight of materials plus immovable fixtures such as carpet roof and etc. Dead loads dead loads are static forces that are relatively constant for an extended time.