Replacing Rotted Roof Joists

Use your tape measure to record the distance of both rafter legs.

Replacing rotted roof joists.

Put it on both ends of the joists. How to replace the rafters without removing the roof. Measure the dimensions of the old rafters beneath your roofing surface. Put the new piece of wood in using screws that are twice as long as the thickness of the new wood.

To replace the joist you need to measure the entire length. I used the same size board 2x6 and cut out one piece to replace the rotted piece. Slide one of the newly cut rafter legs into position directly next to the old rafter. The joist plate is bolted to the timber making the joint b as strong as the original joist.

To eliminate the possibility of holes in between joists you can use wood glue affiliate link to amazon. I used 3 screws in this case i also put a nice little bit of glue between the new piece and the other joist for more gripping strength. The rotten timber should be removed first and the end of the joist treating to discourage any further rot. However replacing the entire joist gives the home much better structural integrity.

To repair a roof joist you will need to either replace the entire joist or use a spliced in piece of wood. These plates are a quick and neat solution for joist ends that aren t going to be seen. Different sizes are available to suit the joist section and the amount the joist will have to be cut back. Keep in mind that the joist extends through the wall.