However you can only use this pitch with built up roofing or specialized synthetic roofing.
Minimum workshop roof pitch nc.
Clay and concrete tile requires a minimum roof pitch of 2 1 2 12 or greater.
The way pitch also known as roof slope is measured is rise over run.
Let us recap on the minimum roof pitch required for each type of roofing material.
I will be using metal roofing or congregate steel.
State construction office sco north carolina state building code.
Nc doesn t rain allot no snow.
The profile is the shape taken by the sheets when you bend them to form panels.
Assume i don t have to worry about building codes.
Asphalt shingles require a minimum roof pitch of 2 12 or greater.
Fasteners for asphalt shingles shall be galvanized steel stainless steel aluminum or copper roofing nails minimum 12 gage 0 105 inch 3 mm shank with a minimum 3 8 inch 10 mm diameter head astm f 1667 of a length to penetrate through the roofing materials and a minimum of 3 4 inch 19 mm into the roof sheathing.
The chief reason for having a roof pitch is to redirect water and snow away from the roof and avoid any percolation that might result from stagnation of water on the roof.
Roof pitch is the measurement of roof steepness.
Asphalt shingles continue to be the most widely installed roof covering option in north america.
Minimum slope of metal roof in nc.
So if your roof rises 4 inches for every 12 inches of horizontal length then the pitch of your roof is expressed as 4 12.
They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends.
The minimum slope of a roof depends on the roof s profile.
The minimum roof slope allowed by code for any type of roof is in 12 applicable only to coal tar pitch roof systems.
Roofing design guidelines and policies low slope membrane roof 2016 page 7 b.
A ratio is the most common way of expressing roof pitch or roof slope but degrees are also possible.
Building code ncsbc north carolina state building code.
The minimum pitch for a roof is 1 4 12 which translates to 1 4 inch rise to 12 inches of run.
Mechanical code ncmc north carolina state building code.
You need to consider the slope requirements of each panel to determine this minimum slope.
Where the roof sheathing is less than 3 4 inch 19 mm thick the.
I am building a tiny house i want to push the slope as shallow as i can.
I am only going to be using this building for max 10 years.
The minimum roof pitch is also subject to the standards set forth by the various building codes used in the respective regions.
Metal roof shingles require a minimum roof pitch of 3 12 or greater.
Express the slope of a metal roof by a ratio which indicates the pitch of the roof.
The values given here.
The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles.
