It will be much more difficult to build a round roof onto a square building for instance so allow the shape of the structure to guide you.
How to frame a flat roof.
So any timber joists that are used need to be strong enough to support this weight.
The two major categories of roof are flat and pitched and one of the main things that will determine the actual style of roof you need is the shape of the building.
Flat roofs are always built at a slight incline at least 1 8 inch per foot.
When framing a flat roof you will need to create a slight incline.
Sizes of joists needed for flat roof construction.
Some roofs actually slope in several directions ensuring optimal water runoff.
Typically four by four posts define the.
You can do this with a foam layer that exactly fits your roof.
This will help you create a flat roof framing plan.
As you may imagine there is a fair amount of weight involved here in terms of boards felt etc.