Rotten Roof Joists

This will make sure that dry rot that isn t visible won t sneak up on you.

Rotten roof joists.

If your home has wood siding examine the siding around and beneath the windows for signs of swelling or discoloration. 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. Pressure treated stuff won t let the water flow through the wood as well as straight regular wood.

This part can be a little hard depending on what wood you are working with. 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. Cut the rotten spot out. Just to be safe we re going to cut the joists at least 4 inches away from the rotten spots.

Rotted wood rafters in a roof are a serious issue. 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. 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.

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. You can go for 6 inches if you have space. Why i didn t choose a scarf joint joist repair a few reasons added up.