Roof Rafter Overhang

There are two types of roof overhangs two consider.

Roof rafter overhang.

The ridge beam is the vertical piece of plywood which will form the peak of. The length of the overhang depends primarily on the climate. The siding underneath the overhang is known as the soffit. Position the square at the end of the rafter board with the tongue on your left and facing away from you.

Measure form the top of this line down the board to determine the line length or length of the rafter less the ridge. Add the length of the overhang beyond this mark and. An eave overhang is located on the longer sides of the shed. In general roof overhangs offer an effective solution for how to protect windows doors and entryways.

Overhang the overhang should be measured from the outer edge of the exterior wall to the furthest point of the rafter. Overhangs shade windows from the summer sun they help to keep water from dribbling off the roof and down the siding and they re a good place to hang gutters. Here the overhang is 320 13 inches. Subtract the width of your ridge beam.

Gable trusses are only dropped over the area of the building not the overhang. 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. Click the button to calculate the stock size needed for this job. Rafter stock size calculator.

Rafter length using pitch v r 2 sqrt 1 p 2 where v overhang r roof span p pitch use our online rafter length calculator to quickly compute the length of the shed roof rafter by entering the measurements of overhead length of roof span pitch or angle. Roof overhangs are the amount that the roof hangs over the top of the siding in residential home construction. Calculating rafter length 1. This calculator is to be used as an estimating tool only.

You may want one or the other or both. The installation of simple overhangs on a house involves nailing rafter extensions onto existing rafters. An eave is created by extending the slope of your roof beyond the walls of your shed. Before you start cutting you first need to determine how long your roof rafters.

A rake is an overhang located on the gable end of your roof. Input the rafter span on the flat eave overhang and pitch of the roof. A rake overhang is created by extending the roof beyond the gables of your shed. If the roof overhang is not big enough then the only way to protect these windows doors and entryways is by recessing them into the thick exterior wall or by installing special casing and flashing for each door or entryway.

Measure the width of your building. With a 3ft overhang that corner is going to be pretty soft.