How To Repair Rotted Roof Joist

It s a traditional repair is low cost and can be finished to match the original joist.

How to repair rotted roof joist.

A new piece of timber is cut a to replace the damaged piece and the joists plates are positioned ether side of the joists with the end of the joist plate right up against the edge of the timber so it is the joist plate that site on the bearer a. Slide one of the newly cut rafter legs into position directly next to the old rafter. Put the new piece of wood in using screws that are twice as long as the thickness of the new wood. I replace the damaged wood and prep for the new roof installation.

Measure the dimensions of the old rafters beneath your roofing surface. To repair a roof joist you will need to either replace the entire joist or use a spliced in piece of wood. Ya put new wood in. This part of.

Use your tape measure to record the distance of both rafter legs. How to replace the rafters without removing the roof. The rotten joist end is cut off and an angle cut is made to bottom of the beam to allow a new part to be bolted on a good distance from the fulcrum point. Keep in mind that the joist extends through the wall.

Remove an area of the roof shingles from the edge of the roof to the upper line of the overhang using a 16 inch nail bar and hammer to pull the roofing nails. However replacing the entire joist gives the home much better structural integrity. The basics of the process are as follows. This repair technique did get some serious consideration and nearly won out.

Inspect and assess the damaged section of timber and determine where it needs to be cut to prop the timber along it s length using suitably sturdy props such as acro props once supported cut off the damaged end leaving only solid un damaged timber now. The joist plate is bolted to the timber making the joint b as strong as the original joist. I used the same size board 2x6 and cut out one piece to replace the rotted piece. Removing termite damaged rafters and starter boards.