Rotten Roof Joists

Basically the idea is to cut the ends off and affix a new piece of timber to the wall.

Rotten roof joists.

This part can be a little hard depending on what wood you are working with. This will make sure that dry rot that isn t visible won t sneak up on you. Commonly what you can see of the rotted wood is only part of the problem it is what you cannot see under the surface of the wood that can be the main issue. You want to cut about 6 inches past where the rot ends just to make sure no more moisture will get through.

You can go for 6 inches if you have space. Wood rotting from the inside out compromises the structural integrity of the rafter. Why i didn t choose a scarf joint joist repair a few reasons added up. Just to be safe we re going to cut the joists at least 4 inches away from the rotten spots.

Cut the rotten spot out. Rotted wood rafters in a roof are a serious issue. If your home has wood siding examine the siding around and beneath the windows for signs of swelling or discoloration. 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.

The best thing to do is mark your joists that are to be removed. Then just cut off the marked joists. Paint can hide wood rot so poke the siding with the tip of the.