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