Repair Rotted Roof Timbers

Make a cut in the center of the beam while a helper holds the two pieces into place.

Repair rotted roof timbers. Older roof timbers were connected with mortise and tenon joints plus wooden pegs. Resin repair with tie bars and injected resin can solve this problem how to repair roof trusses. Start by prying away the bottom and sides of the old eaves and cutting new materials to match. 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.

It takes paint well and won t rot. Lay felt paper onto the roof overlapping the existing paper to get good coverage. Repairing failed structural timbers is of course not a new practice. Use a polyester filler to rebuild rotted or damaged wood.

Wood rotting from the inside out compromises the structural integrity of the rafter. Once you repair the hole in the roof plywood you need to seal up the seams and recover the roof. Fortunately repairing rotten or weathered eaves is a relatively simple project that you can do yourself without ever having to climb onto your roof. When repair is no longer an option the roof rafters must be replaced.

This guide covers everything you need to know about repairing structural timbers including roofing joists and flooring joists when they have been damaged by wet rot dry rot and insect attack such as that from woodworm beetle. You can find it along with images and guides in the article roof beams. Read through this selection of commonly asked roof beam dry rot repair questions. I encourage anyone with roof beams to read this.

This project requires two parts. Cut the beam out of its resting place using a reciprocating saw. Using a pry bar gently pry the beam loose from the ceiling. Staple it to the roof decking or nail it with plastic capped roofing nails.

However as with most faq pages the answers are brief and you ll probably want more information. Structural timber repair and treating joists against wet rot dry rot and insect damage. You can mold and shape it to match the original wood profile. Cut through any nails at the points where the beam is attached to the surrounding framing.

There are images and video answers included. Apply a resilient weatherproof coating to the new pieces then secure them using stainless steel nails. Cover the seams between the old and new decking with bitumen tape.