Fixing Flat Roof Joists

And tie it into your hip roof.

Fixing flat roof joists.

Rotten roof joists are a severe problem and commonly lead to underlying issues and damage to opposing structures. Repairing roof joists yourself. This is a long video but it will show you how to do it. Make sure you offset yo.

If extra weight is the problem additional joists or rafters can be added to shore. This is a completion video of a flat roof framing. Code of practice for permissible stress design materials and workmanship and bs 5268 7 2 1989 structural use of timber section 7 2. To fix the joists and rafters down on to the wall plates they should be toe or skew nailed to the top plate like below.

While it is not entirely impossible to take on a diy roof joist repair replacing or repairing a damaged roof joist is a complicated procedure that requires precision. Set out the ceiling joists onto the wall plates the ceiling joists are installed before the rafters as they will stop the roof spreading and also give something for you to lay planks across to stand on when building the roof. A cavity closer should be provided to the top of the walls to prevent fire spread and to stop damp air entering the roof space. However given the nature of flat roof repair costs it can sometimes make sense to replace the entire roof.

How to remove repair and install a flat roof. This is a completion video of a flat roof framing. Where a new flat roof abuts an existing external wall the joists can be hung on metal joist hangers which are fixed to a horizontal timber plate wall bolted to the wall.