Replacing Rotted Roof Joists

I used the same size board 2x6 and cut out one piece to replace the rotted piece.

Replacing rotted roof joists.

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. However replacing the entire joist gives the home much better structural integrity. To replace the joist you need to measure the entire length. Use your tape measure to record the distance of both rafter legs.

If you feel like the new joists you put in need more integrity you can add vertical boards. Measure the dimensions of the old rafters beneath your roofing surface. How to replace the rafters without removing the roof. These plates are a quick and neat solution for joist ends that aren t going to be seen.

Put it on both ends of the joists. 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. To eliminate the possibility of holes in between joists you can use wood glue affiliate link to amazon. Keep in mind that the joist extends through the wall.

Different sizes are available to suit the joist section and the amount the joist will have to be cut back. The rotten timber should be removed first and the end of the joist treating to discourage any further rot. Slide one of the newly cut rafter legs into position directly next to the old rafter. To repair a roof joist you will need to either replace the entire joist or use a spliced in piece of wood.