Roof Load 20lb

Rafter spans are tabulated for the most common roof loads.

Roof load 20lb.

The north zone design live load equates to 40 pounds per square foot the middle zone equates to 30 pounds per square foot and the south zone equates to 20 pounds per square foot. Visit the roof framing page for more information on cutting roof rafters and visit the roof pitch calculator for determining rafter lengths based on rise and run. If your roof is 1 000 square feet the total snow load is 15 000 pounds of snow. This downward imposed load on the home is also known as the snow load.

If you live in the us our snow load calculator compares the total weight on your roof with the permissible load calculated according to the standards issued by the american society of civil engineers regarding the minimum design loads for buildings and other structures asce7 16. L aluminum solid roof carport is durable long lasting and a maintenance free multi use shelter solution. Roofs are under a lot of pressure. Loads are contributed.

Location concentrated load lb kn catwalks for maintenance access elevator machine room grating on area of 2 in. Load limits on the roof of a building. D white aluminum attached carport with 4 posts 20 lbs. 10 psf x 14ft 140 pounds per lineal foot.

W x 12 ft. The north zone middle zone and the south zone are identified on the roof load zone map above. Rafter span tables use these tables to determine lengths sizes and spacing of rafters based on a variety of factors such as species load grade spacing and pitch. 52 5 97 65 kg.

D dead load l live load l r live roof load w wind load s snow load e earthquake load r rainwater load or ice water load t effect of material temperature. For roof live loads less than 20 pounds per square foot psf rafter spans and required e values tabulated for 20 psf shall be permitted to be adjusted in accordance with the fol lowing table. Roof load product overview the integra patios 12 ft. 29 29 53 71 kg.

6 11 lbs. If the snow weighs 10 pounds per cubic foot and there are 1 5 feet on the roof each square foot of the roof is getting 15 pounds of pressure. Again this house has the same width dimension but it has 2 levels. Copper panel roofing 16 oz.

20 psf x 6ft 120 pounds per lineal foot. 1075 2000 lbs. W x 20 ft. To figure out the load on your roof take the depth of snow in feet and multiply it by the weight of a cubic foot of snow.

Epdm roof membrane 60 mil ballasted membrane and stone ballast only 10 75 20 lbs. The loads are based on adjusted roof snow loads from the governing building code.