How Wide Should A Roof Overhang Be

A typical metal roof overhang may be 2 to 4 inches or even less.

How wide should a roof overhang be.

However the suggested width of an overhang is between 12 and 18 for eaves and no more than 8 for rakes. The detail should be in scale to the house and the porch itself. A shed overhang is an easy and effective way to protect your shed. Overhangs can vary from a few inches to a few feet depending on preference.

The diagonal measures are actually relatively easy to get equal as it takes very little effort to shrink a long diagonal by several inches. The siding underneath the overhang is known as the soffit. You can add 3 to 5 inches to the top. That said overhangs can extend as far as 2 without the need for external supports.

Hunker may earn compensation through affiliate links in this story. This will keep rain away from your shed. The floor of a porch looks different with wide plank wood decking than with concrete or tile. To create a cantilever properly you will need to know plenty about physics like torque and rotational equilibrium.

Many of these elements including overhang details may be only some inches wide say 10 12 14 or 16 inches wide but are critical anyway. Roof overhangs are the amount that the roof hangs over the top of the siding in residential home construction. Ceilings as in this design can be finished in beadboard and beadboard comes in numerous sizes. By precutting all of the roof purlins to length and making any necessary adjustments in the last bay of the roof it should be possible to easily be within 1 16 th inch plus or minus.

Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood. Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials. The board can be as narrow as 2 in. The typical maximum overhang is 2 feet.