Rotted Roof Rafters

Examine the condition of the rafter the thick beam running the length of the overhang.

Rotted roof rafters.

Since roof decking is made from wood and wood composites it is particularly susceptible to rotting and water damage when continuously exposed to sustained or excess moisture. Remove the rotted wood with a chisel and pry bar. If the dry rot is extensive enlist a contractor to replace the rotted. Water seeps into your roofing system in many different ways.

The rotten wood will come away easily. Discard the wood in a garbage bin as you work to. Cut away rotten or damaged rafters. How to replace the rafters without removing the roof.

If the entire rafter was rotten use the. If it shows signs of rotting water damage or other wear you ll need to chop it out using a reciprocating saw. Use a reciprocating saw to chop out the rotted rafter. Cut a replacement piece from pressure treated lumber.

The cleat helps support the new overhang. Clamp a 1 by backing board in place and screw the new rafter to it. How to replace rotted wood rafters. Things you ll need pry bar reciprocating saw circular saw 2 by pressure treated lumber 1 by pressure treated lumber wood clamps screws screwdriver primer paintbrush paint oil based primer automotive body repair putty putty knife.

Things you ll need stepladder or extension ladder helper tape measure 2 by 6 inch boards salt treated circular saw speed square reciprocating saw drill with 1 2 inch bit 1 2 inch wooden dowels wood glue hammer. Slide one of the newly cut rafter legs into position directly next to the old rafter. Dry rot on the ends of gable rafters must be addressed before it spreads to the roof sheathing or rafters in the attic. Measure the dimensions of the old rafters beneath your roofing surface.

Use a powder actuated nailer to attach a 2x4 cleat to a brick chimney.