In this video we will demonstrate how to roof repair bad plywood decking caused from a roof leak.
Rotted plywood on roof.
Leave the next course of shingles intact by carefully removing the second set of four nails.
How to replace rotted roof plywood sheathing step 1.
Most roof decking is made from plywood or a plywood composite known as oriented strand board osb.
Fixing rotted plywood is extremely easy when doing a roof replacement.
The problem obviously is that you can only perform this once the old shingles are off.
Moisture causes wood to rot and rotten wood absorbs water even more readily than fresh wood.
Set up a ladder at an even location on the ground next to the home.
Remove all of the shingles using a pry bar or a shingle ripper tool to detach the nails.
Osb is composed of intertwining wood strands bonded together by a waterproof resin and is a popular option due to its low price point.
Working your way up the roof expose all of the rotted wood.
And if a home s roof decking is rotting and unable to support the weight of the roof it can cause some very serious structural issues.
Climb up and walk carefully onto the roof.
During a reroof start at the peak of the roof and remove all shingles prying them up with a pitchfork working your way down the roof.
If there is rotten decking the shingles are most likely letting moisture in.
Rotted plywood can cause a number of issues.
Using a nail puller and power screwdriver remove the roofing nails and screws holding the decking board.
Remove the rotten wood.
What are different types of roof decking.
Some sections don t even need replacement.
Remove tiles and slate.
Pull the shingles and underlying felt off the entire board not just the area that s rotted.
We take you step by step minute per minute to make it as ea.