Replacing Rotten Roof Joists

This video is about changing a couple of rotten joists in my house.

Replacing rotten roof joists.

Short videos and slideshow documenting our attempt at replacing rotten joists and flooring in a kitchen of a house we are currently renovating. The rotten timber should be removed first and the end of the joist treating to discourage any further rot. 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. Cut the rotten spot out.

Get rid of the rotten spot. How to replace the rafters without removing the roof. Repairing a rotted wall or floor joist step 1. Measure the dimensions of the old rafters beneath your roofing surface.

This part can be a little hard depending on what wood you. This part of. These plates are a quick and neat solution for joist ends that aren t going to be seen. Use your tape measure to record the distance of both rafter legs.

Slide one of the newly cut rafter legs into position directly next to the old rafter. The basics of the process are as follows. Find the rotten spots. Find the nasty spot.

Inspect and assess the damaged section of timber and determine where it needs to be cut to prop the timber along it s length using suitably sturdy props such as acro props once supported cut off the damaged end leaving only solid un damaged timber now. This can be easy or difficult. Would it be possible to cut out the rotten section of joist and replace it with sound wood or provide extra support for the rotten section without replacing the whole joist. 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 poke the questionable board. Basically the idea is to cut the ends off and affix a new piece of timber to the wall. The rotten section doesn t seem to be taking any weight though as the joist hanger above it is loose and there is nothing else resting on the rotten piece.