Rotten Roof Joists

It means removing quite a bit of timber that isn t rotten including the edge moulding.

Rotten roof joists.

If your home has wood siding examine the siding around and beneath the windows for signs of swelling or discoloration. 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. 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. There s lots of different methods for repairing or replacing rotten joists but the one we decided to go with was to install wall plate.

This will make sure that dry rot that isn t visible won t sneak up on you. You can go for 6 inches if you have space. Pressure treated stuff won t let the water flow through the wood as well as straight regular wood. Why i didn t choose a scarf joint joist repair a few reasons added up.

Paint can hide wood rot so poke the siding with the tip of the. Wood rotting from the inside out compromises the structural integrity of the rafter. Then just cut off the marked joists. You want to cut about 6 inches past where the rot ends just to make sure no more moisture will get through.

Cut the rotten spot out. The best thing to do is mark your joists that are to be removed. Basically the idea is to cut the ends off and affix a new piece of timber to the wall.