With respect to providing protection from the rain for buildings with an 8ft eaves height then a 150mm eaves projection is about right.
How much overhang on shed roof.
Much depends on what your intended use for the shed actually is.
You can add 3 to 5 inches to the top.
Building a shed roof with an overhang can substantially change the look of the shed and can add extra functions.
If the roof is almost flat it may work ok.
Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood.
However the suggested width of an overhang is between 12 and 18 for eaves and no more than 8 for rakes.
Larger overhangs can help to keep you dry while standing at the shed s doorway and prevent the sun from heating your shed.
A typical metal roof overhang may be 2 to 4 inches or even less.
How much overhang for roof.
3 1 2 or 5 1 2 inch overhang additional materials and cost.
On small sheds it.
There will be a small additional cost but not as much as you might think.
Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials.
This shed has a large overhang to the front to provide shading and protection from the rain.
A shed overhang is an easy and effective way to protect your shed.
To create a cantilever properly you will need to know plenty about physics like torque and rotational equilibrium.
Install the small roof.
This gives protection to the junction wall and door window heads.
If you re willing to spend the extra time and labor this roof overhang is a good value.
How much overhang on shed roof and other qs 1.
I believe that a 5 12 slope 5 up for each 12 over on the roof is the least you would want for any snow.
This will keep rain away from your shed.
If you are putting a good slope on the roof to shed snow then he may be right about the amount of overhang you would need.
If you are only trying to keep a wood pile dry or storing a few outdoor tools and light machinery out of the weather then you might consider a simple single pitch roof since most everything inside will be stored at ground level and pulled out from the outside of the shed.
First thought is that metal would conduct more heat through.
Corrugated metal or plastic roof.