Rotted Plywood On Roof

Leave the next course of shingles intact by carefully removing the second set of four nails.

Rotted plywood on roof.

Using a nail puller and power screwdriver remove the roofing nails and screws holding the decking board. Climb up and walk carefully onto the roof. Pull the shingles and underlying felt off the entire board not just the area that s rotted. How to replace rotted roof plywood sheathing step 1.

Moisture causes wood to rot and rotten wood absorbs water even more readily than fresh wood. 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. Remove the rotten wood.

Fixing rotted plywood is extremely easy when doing a roof replacement. In this video we will demonstrate how to roof repair bad plywood decking caused from a roof leak. The problem obviously is that you can only perform this once the old shingles are off. Some sections don t even need replacement.

Remove tiles and slate. What are different types of roof decking. 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. We take you step by step minute per minute to make it as ea.

Working your way up the roof expose all of the rotted wood. If there is rotten decking the shingles are most likely letting moisture in. 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 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.

Remove all of the shingles using a pry bar or a shingle ripper tool to detach the nails. 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.