Fixing Flat Roof Joists

However given the nature of flat roof repair costs it can sometimes make sense to replace the entire roof.

Fixing flat roof joists.

The new section of timber is now put in place with the threaded steel bars sitting in the slot. How to remove repair and install a flat roof. 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. And tie it into your hip roof.

Set out the ceiling. Fitting roofing wall plates top plates setting out squaring levelling and fixing strapping gable and hip roof wall plates for rafters joists and roof. First work your way along the brickwork and clear any snots off. Keep in mind that the joist extends through the wall.

They have the advantage that joists are extended back into or onto the original bearing. These come as a pair of l shaped metal plates complete with screws and instructions. Fixing joists to an existing wall. It could be more to make sure you get adequate water run off 1 40.

This is a long video but it will show you how to do it. To replace the joist you need to measure the entire length. If the wall plate of the flat roof is level with the wall plate of the existing house can you make the two wall. To repair a roof joist you will need to either replace the entire joist or use a spliced in piece of wood.

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. Do this with an expanding anchor bolt or other appropriate masonry fixing. However replacing the entire joist gives the home much better structural integrity. To do this you will need to cut a slot into the existing truss rafter or joist in a u shape to the required length of the threaded steel bars in the new section of timber.

Make sure you offset yo. Slot cut out in existing timber. Squaring and fixing the wall plates to the brickwork. If extra weight is the problem additional joists or rafters can be added to shore.