How To Repair A Rotted Roof Joist

The joist plate is bolted to the timber making the joint b as strong as the original joist.

How to repair a rotted roof joist.

Put the new piece of wood in using screws that are twice as long as the thickness of the new wood. I used the same size board 2x6 and cut out one piece to replace the rotted piece. These plates are a quick and neat solution for joist ends that aren t going to be seen. Ya put new wood in.

How to replace the rafters without removing the roof. However replacing the entire joist gives the home much better structural integrity. This part of. The basics of the process are as follows.

Use your tape measure to record the distance of both rafter legs. The rotten timber should be removed first and the end of the joist treating to discourage any further rot. 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. Short videos and slideshow documenting our attempt at replacing rotten joists and flooring in a kitchen of a house we are currently renovating.

Slide one of the newly cut rafter legs into position directly next to the old rafter. Keep in mind that the joist extends through the wall. The length also reduces the fulcrum effect so there shouldn t be any great stresses applied to the existing timber. Removing termite damaged rafters and starter boards.

To repair a roof joist you will need to either replace the entire joist or use a spliced in piece of 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 replace the joist you need to measure the entire length.