Climb up and walk carefully onto the roof.
Rotted plywood on roof.
If there is rotten decking the shingles are most likely letting moisture in.
Moisture causes wood to rot and rotten wood absorbs water even more readily than fresh 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.
What are different types of roof decking.
Some sections don t even need replacement.
How to replace rotted roof plywood sheathing step 1.
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.
Rotted plywood cannot support the weight of a roof the way healthy wood can nor can it safely grip the nails put into the roof and keep them held firm.
We take you step by step minute per minute to make it as ea.
Set up a ladder at an even location on the ground next to the home.
Pull the shingles and underlying felt off the entire board not just the area that s rotted.
The problem obviously is that you can only perform this once the old shingles are off.
Rotted plywood can cause a number of issues.
Prime spots in the attic for wood rot are on the underside of the roof decking in the joints where the wood members connect at the peak of the roof and at the edges of the attic where the rafters.
Leave the next course of shingles intact by carefully removing the second set of four nails.
Remove the rotten wood.
Remove all of the shingles using a pry bar or a shingle ripper tool to detach the nails.
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.
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.
Remove tiles and slate.