There are several ways to attach a roof.
How to build a small apex roof.
The diagram above shows the components that go into making up a small gable roof.
Line up wall plate against existing joists and make a mark on the wall plate in line with the centre of the joists.
This is a sequel to the first roof i did where i used reclaimed materials etc in this video i use new material.
Building an apex roof.
This can be done either with many pairs of hands or with the assistance of a crane.
The rafter is cut so it sits down onto the wall plate which is in turn fixed down onto the inside skin of a cavity wall.
This shows how my flat asphalt roof was dug up and converted to a tiled pitched sloping roof.
It was all done by me and a carpenter friend who did the fram.
To complete this step the wall frames of the building must already be level plumb and square.
Hoist the trusses onto the roof.
Use ladders or scaffolding if you are building the roof onto a building that is still a frame.
Nail 2 boards onto your walls as top plates.
The ridge is a long board at the top that the rafters are nailed to.
However this construction has proven itself.
When building an apex roof there are many things you should take into account.
Building installing roof rafters.
Nail the first boards on top of your wall where you plan to build your roof.
Lay a thick layer of cement on existing brick work then place the wall plate on this and get a good level.
The ceiling joists span from wall plate to wall plate and are sometimes bolted to the rafters to help stop the ridge.
First the individual roof beams are placed in previously arranged notches on the upper edge of the standing wall parts.
How to build a shed roof step by step.
I show how i construct it showning in detail how to do the lead flashing.
When you nail in the second boards offset the seams of the upper and lower layers by at least 24 in 61 cm.