How To Repair Rotted Roof Joist Ends

Measure from the end of the rafter tail to the area of good wood with a tape measure.

How to repair rotted roof joist ends.

Remove an area of the roof shingles from the edge of the roof to the upper line of the overhang using a 16 inch nail bar and hammer to pull the roofing nails. This part can be a little hard depending on what wood you are working with. If you are using an extension ladder ask your helper to. A vertical slot is machined in the joist.

The easiest way to repair joist ends is to fit joist repair plates. Cut out the section of the roofing. 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. How to replace rotted rafter ends on a gable roof.

This part of. Put the new boards where the ones with dry rot used to be. There are a number of ways to repair structural timber. Place a stepladder or extension ladder under the rafter end with the most damage.

The new end is then fitted with the bars going in to slot. I replace the damaged wood and prep for the new roof installation. These come as a pair of l shaped metal plates complete with screws and instructions. Lock them in place with screws.

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. A new joist end is drilled to so two or more steel bars can be glued resined in. Basically the idea is to cut the ends off and affix a new piece of timber to the wall.

Cut the rotten spot out. The basics of the process are as follows. The rotten end of the beam joist is cut off. To eliminate the possibility of holes in between joists you can use wood glue affiliate link to amazon.

Make sure your screws are big enough aim for twice the board s width. Removing termite damaged rafters and starter boards.