Last updated july 22 2020.
Roof live load weight ceiling collapse.
The dead load of a typical asphalt shingled wood framed roof is about 15 pounds per square foot.
In some cases you may exceed your commercial roof load and put the integrity of your roof and building at risk.
The following table provides typical weights dead load self weight for various roofing materials.
However if the attic is intended for storage the attic live load or some portion should also be considered for the design of.
Weight of roofing materials.
Canberra australia an australian returned home and was surprised to discover that his kitchen ceiling had collapsed under the weight of two large pythons apparently fighting over a mate.
We include photographs of collapsing wood framed roofs and photo sequences.
2attic loads may be included in the floor live load but a 10 psf attic load is typically used only to size ceiling joists adequately for access purposes.
When planning to install equipment on your roof calculate your roof s dead load live load and transient load capacity to avoid exceeding your total roof load capacity.
The load increases with the use of heavier roofing material.
Roof sag or roof collapse forces.
Loads should be determined in accordance with this chapter.