Fixing Flat Roof Joists

How to remove repair and install a flat roof.

Fixing flat roof joists.

These come as a pair of l shaped metal plates complete with screws and instructions. Keep in mind that the joist extends through the wall. However replacing the entire joist gives the home much better structural integrity. When it comes to flat roof repair options simple patch repairs for flat roofs such as those on garages or extensions can cost a few hundred pounds.

First work your way along the brickwork and clear any snots off. If the wall plate of the flat roof is level with the wall plate of the existing house can you make the two wall. Make sure you offset yo. The new section of timber is now put in place with the threaded steel bars sitting in the slot.

Fitting roofing wall plates top plates setting out squaring levelling and fixing strapping gable and hip roof wall plates for rafters joists and roof. And tie it into your hip roof. Set out the ceiling. To replace the joist you need to measure the entire length.

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. Fixing joists to an existing wall. They have the advantage that joists are extended back into or onto the original bearing. 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.

Squaring and fixing the wall plates to the brickwork. It could be more to make sure you get adequate water run off 1 40. Do this with an expanding anchor bolt or other appropriate masonry fixing. However given the nature of flat roof repair costs it can sometimes make sense to replace the entire roof.

The easiest way to repair joist ends is to fit joist repair plates. If extra weight is the problem additional joists or rafters can be added to shore. To repair a roof joist you will need to either replace the entire joist or use a spliced in piece of wood. This is a long video but it will show you how to do it.