A typical metal roof overhang may be 2 to 4 inches or even less.
Shed roof overhang length.
This will keep rain away from your shed.
Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials.
What is the maximum length of a roof overhang.
With respect to providing protection from the rain for buildings with an 8ft eaves height then a 150mm eaves projection is about right.
However the suggested width of an overhang is between 12 and 18 for eaves and no more than 8 for rakes.
Overhangs can vary from a few inches to a few feet depending on preference.
Arid climates receive little rainfall that can cause roof decay and the least danger of decay through.
Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood.
A shed overhang is an easy and effective way to protect your shed.
You can add 3 to 5 inches to the top.
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.
This gives protection to the junction wall and door window heads.