Repairing Roof Timbers

The article concludes with a section outlining approaches to the problem of roof spread.

Repairing roof timbers. The options for replacing roof joists are the repair of the beam with timber resin materials repairing using specialist repair plates or where extensive damage is present the removal and replacement of the entire joist and truss. Also the rafters that spanned the full width of the mono pitch shed were rotten at the lower end. The emphasis of the article is on repair and reinforcement options including the use of scarf repairs stainless steel flitch plates and the use of resins. Corbel conservation s robin russell provides an introduction to structural timber repairs in historic buildings.

Remove weak spongy wood preserve and protect wood wi. Older roof timbers were connected with mortise and tenon joints plus wooden pegs. Fragments of rotten timber and roof felt. It became apparent that about half of the pine boards forming the roof deck were damaged beyond repair.

Where serious problems are suspected call in a surveyor or structural engineer. As the roof covering was removed the state of the rafters was revealed. Resin repair with tie bars and injected resin can solve this problem. These are compounded when a roof covering is replaced with a heavier material such as concrete tiles.

This video shows from start to finish the repair of rotted endbeams on a house using the endrot system. Repairing damaged roof timbers. Beetle infestation timber decay poorly executed alterations and undersized rafters are common problems. These tend to be eaten away by woodworm and the roof beams then move opening up the joints.