Rotted Plywood On Roof

Fixing rotted plywood is extremely easy when doing a roof replacement.

Rotted plywood on roof.

How to replace rotted roof plywood sheathing step 1. Leave the next course of shingles intact by carefully removing the second set of four nails. 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. 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.

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. Remove tiles and slate. Simply cut out rotted sections along the roofs trusses and replace them with new plywood.

Rotted plywood can cause a number of issues. Remove all of the shingles using a pry bar or a shingle ripper tool to detach the nails. Some sections don t even need replacement. In this video we will demonstrate how to roof repair bad plywood decking caused from a roof leak.

Osb is composed of intertwining wood strands bonded together by a waterproof resin and is a popular option due to its low price point. What are different types of roof decking. 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.

Working your way up the roof expose all of the rotted wood. Set up a ladder at an even location on the ground next to the home. Moisture causes wood to rot and rotten wood absorbs water even more readily than fresh wood. 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. Using a nail puller and power screwdriver remove the roofing nails and screws holding the decking board.