Roof Weight Per Square Foot

The dead load of a typical asphalt shingled wood framed roof is about 15 pounds per square foot.

Roof weight per square foot.

Outside of the u s a degree angle is typically used. 1 lbm ft2 4 88 kg m2 note. These are the weights of typical actual products. 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.

Verco hsb 36 stands for high shear b deck 36 wide. Ft kilograms per square meter kg m 2 source. Here is a list of sample roofing material weights per 100 square feet. In the united states a run of 12 inches 1 foot is used and pitch is measured as the rise of the roof over 12 inches.

Per square foot a 4 12 lbs. A single 26 gauge panel weighs only 0 88 lbs. Aluminum standing seam 70 pounds. The weights of other actual products of the same type may vary.

Steel standing seam 120 150 pounds. A bundle of three tab asphalt shingles weighs between 60 and 80 pounds but this may vary depending on the quality and type of shingle. The weight of truss rafter must be added to calculate the dead load of the roof. Steel shingles 80 pounds.

Generally three bundles of shingles are enough to cover 1 square of roof 100 square feet which can weigh anywhere from 180 to 240 pounds. The load increases with the use of heavier roofing material. B deck is strong light weight economical and easy to install and is the most common structural roof deck. Yet if you do the math and compare asphalt shingles over metal roofing asphalt can weigh 5 lbs.

A 12 inches metal roofing panel weighs for about 10 lbs. Weight of roofing materials. You can also find the load per square meter or square foot of roofing by opening the advanced mode. Asphalt shingles 3 tab or strip 1 95 lbs.

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. If you find this website valuable and appreciate it is open and free for everybody please contribute by. While most people think about metal roofing is heavier compared to other materials. It is often compared to slope but is not exactly the same.

Snow load thickness density the result snow load or the pressure exerted by the snow has the units of kn m or lbs ft. Normally b decking is used in short to medium span conditions ranging from 3 feet to 10 feet in distance. B deck is 1 1 2 deep and is available in galvanized and prime painted finishes. If you want to calculate these values by hand use the following formulas.

Sorry to see that you are blocking ads on the engineering toolbox. Pounds per square foot lb ft 2 pounds per square 100 sq. A clay tiled roof may have a dead load.