Flat Roof Dead Load Calculator

Flat roof with asphalt finish with felt boarding insulation.
Flat roof dead load calculator. Flat roof joist calculator. V t a. You need to supply the following information. To calculate the weight of snow on a roof use the first two sections of our snow load calculator.
Length and width of your roof. Schedule of permanent loads commonly found in residential properties. Span calculator for wood joists and rafters also available for the android os. The standard guide in the u s the asce 7 05 lists weights and stresses for all building materials expressed in pounds per square foot.
3 3 dead loads dead loads consist of the permanent construction material loads comprising the roof floor wall and foundation systems including claddings finishes and fixed equipment. Calculating the load on a flat roof is a challenging task for the layperson that involves knowledge of building materials their weights and local building codes. Dead load psf span calculator for wood joists and rafters available for the iphone. Flat roof asphalt finish.
So the calculation becomes. For roofs that are flat and with ground snow loads lower than 20 pounds per square foot the roof snow load is equal to 70 of the product of the exposure thermal and importance factors and the ground snow load. For ground snow loads greater than 20 pounds per square foot the roof load is equal to. Account that the volume is a thickness times an area.
Standard loads of materials. Step 4 determine the flat roof snow load. D dead load symbol. The values for dead loads in table 3 2 are for commonly used materials and constructions in light frame residential buildings.
If your roof is pitched enter the length and width of the flat area covered by the roof. This calculator was built to design efficient steel. Steel beam calculator ltd was set up in 2011 to enable building industry professionals to design safe and effective steel beams more quickly and affordably. You can enter these values in any units you d like including meters and feet.
The dead load on a roof is the weight of the roof structure itself along with any permanently attached materials or structures on the roof so it must be designed first of all to support itself.