Roof Weight Per Square Foot

The load increases with the use of heavier roofing material.

Roof weight per square foot.

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. 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. 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. A clay tiled roof may have a dead load.

The dead load of a typical asphalt shingled wood framed roof is about 15 pounds per square foot. You can also find the load per square meter or square foot of roofing by opening the advanced mode. Ft kilograms per square meter kg m 2 source. Pounds per square foot lb ft 2 pounds per square 100 sq.

Weight of roofing materials. Yet if you do the math and compare asphalt shingles over metal roofing asphalt can weigh 5 lbs. Architectural asphalt shingles weigh 65 80 pounds per bundle. Sorry to see that you are blocking ads on the engineering toolbox.

A single 26 gauge panel weighs only 0 88 lbs. Outside of the u s a degree angle is typically used. The weight of a bundle of shingles depends on the type of material you re dealing with. While most people think about metal roofing is heavier compared to other materials.

Asphalt shingles 3 tab or strip 1 95 lbs. Here is a list of sample roofing material weights per 100 square feet. 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. A 12 inches metal roofing panel weighs for about 10 lbs.

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. Aluminum standing seam 70 pounds. If you want to calculate these values by hand use the following formulas. The weights of other actual products of the same type may vary.

Aluminum shingles 45 pounds. These are the weights of typical actual products. Three tab asphalt shingles weigh 50 80 pounds per bundle. If you find this website valuable and appreciate it is open and free for everybody please contribute by.

It is often compared to slope but is not exactly the same. Shingles are sold in bundles that will cover a certain square footage of your roof usually 33 3 square feet. Steel standing seam 120 150 pounds. Steel shingles 80 pounds.

For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. Roofing asphalt shingles 2 5psf wood shakes 3 0psf roll roofing 1 0psf asphalt shingles approx 1 4 2 0psf cement asbestos shingles 3 8 4 0psf clay tile add 10psf for mortar 9 0psf ludowici 10 0psf roman 12 0psf slate 1 4 10 0psf spanish 19 0psf wood 1 3 0psf cement tile add 6psf for mortar 10 0psf. The weight of truss rafter must be added to calculate the dead load of the roof.