Flat Roof Overhang Size

The goal is to balance the amount of solar heat gain and amount of shading.

Flat roof overhang size.

You will need to express this size in terms of square feet. The first step in a free roofing estimate is measuring the roof dimensions. Never attach roof sheathing with staples. This calculator is to be used as an estimating tool only.

Apr 30 2017 explore king s board roof overhang on pinterest. See more ideas about flat roof steel structure steel house. In hot climates the general rule of thumb is to lengthen and extend the overhang. Overhangs are common in most house designs providing protection against both wind and rain.

Jun 3 2017 explore anthony valentine s board flat roof on pinterest. Because this style of a shed has a flat roof it can facilitate a wider overhang which is ideal for storage. See more ideas about house extensions flat roof extension roof overhang. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.

The length of the overhang depends primarily on the climate. Click the button to calculate the stock size needed for this job. With a flat shed roof the roof simply extends past the wall plate to provide an overhang. Sheathing should be a minimum of 19 32 inch thick.

The typical thickness range for sheathing is 3 8 to 3 4 inch. 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. Input the rafter span on the flat eave overhang and pitch of the roof. Roof overhangs are the amount that the roof hangs over the top of the siding in residential home construction.

The siding underneath the overhang is known as the soffit. Rafter stock size calculator.