The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles.
Minimum slope shed roof in ohio.
Much depends on what your intended use for the shed actually is.
This slope works well for sheds that are fairly narrow like 4 to 6 feet but for sheds that are 8 or wider the shed roof becomes unsightly high.
With regards to metal roofing the profile refers to the shape adopted by the metal sheets when they are bent to form the panels.
This means that for every 12 inches of horizontal distance across the shed the roof will rise 4 inches.
In my view it has to be the flat roof with a nominal slope.
A quarter inch slope is the lowest you would go with a metal roof experts recommend at least a half inch minimum to ensure a weatherproof interior for your shed.
This means for every 12 horizontal units the roof must rise a minimum of 3 vertical.
Minimum pitch for metal roof.
Lapped nonsoldered seam metal roofs without applied lap sealant must have a minimum roof slope of 3 12 25 slope.
The minimum roof slope for metal roofs is dependent upon the roof profile.
Metal roof panels minimum roof slope roof pitch r905 10 2.
The minimum slope for lapped nonsoldered seam metal roofs without applied lap sealant shall be three units vertical in 12 units horizontal 25 percent slope.
Asphalt shingles continue to be the most widely installed roof covering option in north america.
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.
They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends.
Asphalt shingles typically have a minimum slope rating of 4 in 12.
Determine the minimum slope of the roof based on the roofing material.
I always recommend at least a minimum pitch of 1 in 40.
905 10 2 slope minimum slopes for metal roof panels shall comply with the following.
Match the roofing on the covered porch with the main roof.
There is no fabrication of roof trusses required.
My reasoning for this is that all that is required is a simple beam.
The minimum pitch for shingles is 1 6 which is equivalent to 4.
Which is the easiest shed roof pitch to build.
Remember metal roofing is more expensive than shingles.
The roof joists can be fixed spanning directly between wall plates.
The minimum slope for lapped non soldered seam metal roof panels without applied lap sealant shall be three units vertical in 12 units horizontal 25 percent slope.
