To complete this step the wall frames of the building must already be level plumb and square.
How to build a small apex roof.
This can be done either with many pairs of hands or with the assistance of a crane.
Building installing roof rafters.
Use ladders or scaffolding if you are building the roof onto a building that is still a frame.
Lay a thick layer of cement on existing brick work then place the wall plate on this and get a good level.
Hoist the trusses onto the roof.
Use 8 penny nails to attach the first 2 in 4 in 5 1 cm 10 2 cm board to the wall studs.
The diagram above shows the components that go into making up a small gable roof.
This is a sequel to the first roof i did where i used reclaimed materials etc in this video i use new material.
Drill holes at these marks to allow a 6 nail to be driven through the wall plate into the joists.
Nail 2 boards onto your walls as top plates.
When you nail in the second boards offset the seams of the upper and lower layers by at least 24 in 61 cm.
I show how i construct it showning in detail how to do the lead flashing.
This is part two of the porch build where i am doing the roof.
The ridge is a long board at the top that the rafters are nailed to.
However this construction has proven itself.
Building an apex roof.
Line up wall plate against existing joists and make a mark on the wall plate in line with the centre of the joists.
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.
There are several ways to attach a roof.
First the individual roof beams are placed in previously arranged notches on the upper edge of the standing wall parts.
It was all done by me and a carpenter friend who did the fram.
This shows how my flat asphalt roof was dug up and converted to a tiled pitched sloping roof.
The ceiling joists span from wall plate to wall plate and are sometimes bolted to the rafters to help stop the ridge.