Skyscraper Roof Weights

Sand screed slate.

Skyscraper roof weights.

The weight of roofing constructions above the truss rafter may be estimated with the calculator below. A low weight roof also lessens the risk of a roof collapse if there is a fire inside of the home which reaches the attic. Yet they must also be conveniently accessible even on the upper floors and provide utilities and a comfortable climate for the occupants. The following table provides typical weights dead load self weight for various roofing materials where possible the values were taken directly from manufacturer technical data sheets and are the actual weights of specific representative products.

3 layers and vapour barrier sheet aerated concrete dense aggregate lightweight on shelves bulk cast blue engineering. In fact with many heavy roofs fire fighters will not go inside the home to fight the fire if it has avery heavy roof on top. The buildings must support their weight resist wind and earthquakes and protect occupants from fire. Roofs are under a lot of pressure.

Moisture transport through building walls and roofs moisture will flow through a wall or roof if the vapor partial pressure is higher on one of the sides. In order to stay intact and in place a roof must be able to resist loads both permanent and temporary that are pushing. Aluminum shingles 45. Here is a list of sample roofing material weights per 100 square feet.

Bituminous felt roofing bitumen blockboard blockwork books brass brickwork bronze. 0 5 0 4 0 3 4 0 5 7 0 77 0 42 0 51 0 3 s. Medium weight lightweight clay plain clay pantile concrete slate.