How To Repair A Rotted Roof Rafter

How to repair rotted eaves.

How to repair a rotted roof rafter.

Over time roof rafters can wear crack or rot and replacements may be in order. 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. The cleat helps support the new overhang. Rot won t spread as long as the rafters remain dry.

Use a reciprocating saw to chop out the rotted rafter. Notice in photo 6 that the new section extends as far above the wall as the rafter tail length. Rotted wood rafters in a roof are a serious issue. If the dry rot is extensive enlist a contractor to replace the rotted.

Although it is a straightforward process it is necessary to take your time to ensure a solid repair. This includes repairing any leaks in the roof above the rafter. Removing termite damaged rafters and starter boards. Unless you have advanced carpentry skills you may not be able to fix a rafter with serious decay problems.

It may also include replacing roof sheathing. If you see a rotted rafter you should take steps to identify the source of moisture that is causing the decay. Clamp a 1 by backing board in place and screw the new rafter. Dry rot on the ends of gable rafters must be addressed before it spreads to the roof sheathing or rafters in the attic.

Use a powder actuated nailer to attach a 2x4 cleat to a brick chimney. 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. I replace the damaged wood and prep for the new roof installation. Cut a replacement piece from pressure treated lumber.

Replacing rotted rafter ends on a gable roof is a matter of removing the existing ends and installing new wood. Over time exposure to the elements and damage created by nesting animals can rob your home s eaves the overhanging edges of the roof of their attractive appearance and structural strength.