How To Build A Flat Roof A Frame

But the horizontal lines of this 8 by 13 foot flat roof section at the cambridge tv project house make it vulnerable to heavy snow and pooling rainwater which is why it must be built to last.

How to build a flat roof a frame.

Use ladders or scaffolding if you are building the roof onto a building that is still a frame. The flat roof covering can also be epdm. Trusses are often spaced 12 16 or 24 inches apart. Add the plywood once you ve added the framing it s time to add a layer of 5 8 inch plywood sheathing.

This ethylene propylene diene monomer rubber covering is very versatile long lasting and very strong. A 2 4 wall with a 2 6 rafter can be notched for a 4 seat. There are two main types of flat roof systems to choose from. Step 2 frame the roof photo by russell kaye the most important thing to know about a flat roof says tom is that it s not flat.

The 8 step process for diy installation step 1. For our 4 x8 lean to example using a 2 4 rafter the depth of the birdsmouth is limited by the 1 3 depth of the rafter rule. Use a framing square to help lay out the notch based on the slope of the roof. The reasons for selecting either one will depend on the requirements of the build considering the level of insulation required heat loss and building regulations.

This approach uses insulation with no air gap either immediately above or below the roof deck. This can be done either with many pairs of hands or with the assistance of a crane.