Lay a thick layer of cement on existing brick work then place the wall plate on this and get a good level.
How to build a wooden 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.
Building installing roof rafters.
To complete this step the wall frames of the building must already be level plumb and square.
Use ladders or scaffolding if you are building the roof onto a building that is still a frame.
Providing that the sides of your wood are parallel you should have a straight line marked on both ends of your arch.
Joists lifted a inch or so above the existing roof firing pieces attached to.
Be a lot simpler and easier to build a flat roof than an apex one.
Drill holes at these marks to allow a 6 nail to be driven through the wall plate into the joists.
Hoist the trusses onto the roof.
Draw a pencil line along the top of that piece of wood and repeat this at the opposite end of the arch.
This can be done either with many pairs of hands or with the assistance of a crane.
There are several ways to attach a roof.
How to build a shed roof step by step.
However this construction has proven itself.
Starting at the bottom of the roof the tiles are laid overlapping each other by roughly 150 mm.
When building an apex roof there are many things you should take into account.
This is repeated until the ridge is reached and ridge capping is used at the very top of the roof.
Wooden shingles 30 year life expectancy have a layer of underlay on the bottom and are fixed to battens.