Repairing Rotted Roof Rafters

Clamp a 1 by backing board in place and screw the new rafter.

Repairing rotted roof rafters.

Rafter and joist systems are made up of two pieces of wood that run directly beneath the roofing surface and give it its shape while joists bridge the gap between the two rafter ends and support the whole thing. This includes repairing any leaks in the roof above the rafter. Rotted wood rafters in a roof are a serious issue. Use a powder actuated nailer to attach a 2x4 cleat to a brick chimney.

I replace the damaged wood and prep for the new roof installation. Install a new fascia. Cut a replacement piece from pressure treated lumber. Make the new section twice as long as the rafter tail.

Dry rot on the ends of gable rafters must be addressed before it spreads to the roof sheathing or rafters in the attic. Over time roof rafters can wear crack or rot and replacements may be in order. Rotted rafter ends not only give you nothing to nail to when rehanging the fascia board and gutters they also risk the stability of the roof from flooding or collapsing. Use a reciprocating saw to chop out the rotted rafter.

Install new 2x4 lookouts to replace rotted ones or screw a new one to the old one if it s mostly sound. It may also include replacing roof sheathing. The cleat helps support the new overhang. 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.

Your new boards will have to match the old ones in terms of width and thickness so when you go to your local home improvement center you may want to bring them a sample of your old eaves so. Replacing rotted rafter ends on a gable roof is a matter of removing the existing ends and installing new wood. Removing termite damaged rafters and starter boards. If the dry rot is extensive enlist a contractor to replace the rotted.

Screw a new section of rafter to the old one to reinforce the tail. Wood rotting from the inside out compromises the structural integrity of the rafter. Unless you have advanced carpentry skills you may not be able to fix a rafter with serious decay problems. Your first step will be prying away the bottom and sides of the old eaves.

If you see a rotted rafter you should take steps to identify the source of moisture that is causing the decay. Remove weak spongy wood preserve and protect wood wi.