Flat Roof Overhang Size

8d ring shank nails should be used instead.

Flat roof overhang size.

Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. Input the rafter span on the flat eave overhang and pitch of the roof. In hot climates the general rule of thumb is to lengthen and extend the overhang. This calculator is to be used as an estimating tool only.

Click the button to calculate the stock size needed for this job. Never attach roof sheathing with staples. Apr 30 2017 explore king s board roof overhang on pinterest. 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.

See more ideas about house extensions flat roof extension roof overhang. Jun 3 2017 explore anthony valentine s board flat roof on pinterest. The length of the overhang depends primarily on the climate. See more ideas about flat roof steel structure steel house.

The first step in a free roofing estimate is measuring the roof dimensions. Sheathing should be a minimum of 19 32 inch thick. Overhangs are common in most house designs providing protection against both wind and rain. The goal is to balance the amount of solar heat gain and amount of shading.

The size of the roof overhang you choose depends largely on the style of your shed s roof. These guidelines are useful in the construction of any gable or any cantilevered or flat roof. The siding underneath the overhang is known as the soffit. You will need to express this size in terms of square feet.

The typical thickness range for sheathing is 3 8 to 3 4 inch. Roof overhangs are the amount that the roof hangs over the top of the siding in residential home construction.