How Much Overhang On Roof Rafters

The typical maximum overhang is 2 feet.

How much overhang on roof rafters.

With a 3ft overhang that corner is going to be pretty soft. Input the rafter span on the flat eave overhang and pitch of the roof. This calculator is to be used as an estimating tool only. So the corner is supported by one 2 x4 located usually 2 to 4 ft in from the exterior wall and the rough fascias making for a weak spot you feel when you walk the roof.

Birdsmouth plumb if you study the diagram carefully you will see that there is an indentation in the roof rafter where it meets the exterior wall of the building. Overhang the overhang should be measured from the outer edge of the exterior wall to the furthest point of the rafter. An overhang is the portion of the roof that runs past the wall providing coverage for the space around the foundation of your shed. Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood.

Click the button to calculate the stock size needed for this job. A typical metal roof overhang may be 2 to 4 inches or even less. Click the button to calculate the stock size needed for this job. Input the rafter span on the flat eave overhang and pitch of the roof.

Here the overhang is 320 13 inches. On sheds and homes overhangs are commonly referred to as eaves or rakes depending on where they are located. Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials. This calculator is to be used as an estimating tool only.

Overhangs can vary in width from a few inches to several feet. Roof overhangs are the amount that the roof hangs over the top of the siding in residential home construction. Rafter stock size calculator.