Discard the wood in a garbage bin as you work to.
Rotted roof rafters.
Assuming it s in good shape you can leave it in place and install the new materials around it.
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.
Cut away rotten or damaged rafters.
How to replace rotted wood rafters.
Use a powder actuated nailer to attach a 2x4 cleat to a brick chimney.
If it shows signs of rotting water damage or other wear you ll need to chop it out using a reciprocating saw.
Clamp a 1 by backing board in place and screw the new rafter to it.
Measure the length of framing wood needed with a measuring tape.
If the entire rafter was rotten use the.
If the dry rot is extensive enlist a contractor to replace the rotted.
How to replace the rafters without removing the roof.
Examine the condition of the rafter the thick beam running the length of the overhang.
The rotten wood will come away easily.
Remove the rotted wood with a chisel and pry bar.
The cleat helps support the new overhang.
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.
Use your tape measure to record the distance of both rafter legs.
Cut a replacement piece from pressure treated lumber.
Water seeps into your roofing system in many different ways.
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.