Sand the edge of the cut until the edge tapers onto the surface of the underlying laminate.
How to repair rotted roof plywood.
If you re only replacing the portion of the roof with damage you need to find out the extent and location of that damage.
Use extreme caution as you.
Locate nails that hold shingles.
Climb up and walk carefully onto the roof.
If the plywood is in fact what s rotted it s really so easy to replace that that it s not worth patching it.
Replace the roof decking.
That s not going to get a lot of movement.
How to replace rotted roof plywood sheathing.
Remove all of the shingles using a pry bar or a shingle ripper tool to detach the nails.
Gain access to the attic to inspect the plywood or roof decking.
Replace underlayment and shingles.
Look up at the roof.
How to fix rotten wood on a roof.
But plywood ends to be pretty flexible and this is better used on something like a rotted windowsill.
How to fix rotted roof decking 1.
Locate the rotted roof decking.
Remove the rotten wood.
Cut off blistered or peeled laminates from the main board using the router.
Remove the shingles over the area of the rotted roof decking identified previously.
Set up a ladder at an even location on the ground next to the home.