Flat Roof Overhang Size

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Flat roof overhang size.

Overhangs are common in most house designs providing protection against both wind and rain. In hot climates the general rule of thumb is to lengthen and extend the overhang. Apr 30 2017 explore king s board roof overhang on pinterest. The goal is to balance the amount of solar heat gain and amount of shading.

Rafter stock size calculator. This calculator is to be used as an estimating tool only. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. With a flat shed roof the roof simply extends past the wall plate to provide an overhang.

The siding underneath the overhang is known as the soffit. Because this style of a shed has a flat roof it can facilitate a wider overhang which is ideal for storage. Jun 3 2017 explore anthony valentine s board flat roof on pinterest. Click the button to calculate the stock size needed for this job.

8d ring shank nails should be used instead. Input the rafter span on the flat eave overhang and pitch of the roof. Never attach roof sheathing with staples. The size of the roof overhang you choose depends largely on the style of your shed s roof.

Sheathing should be a minimum of 19 32 inch thick. The typical thickness range for sheathing is 3 8 to 3 4 inch. See more ideas about flat roof steel structure steel house. The length of the overhang depends primarily on the climate.

These guidelines are useful in the construction of any gable or any cantilevered or flat roof. Keep in mind that the average size of a roof is 1 700 square feet so your total will likely be 10 higher or lower than this figure.