Rehabilitate Rotten Roof Plywood

If there is rotten decking the shingles are most.

Rehabilitate rotten roof plywood.

Set the depth of your circular saw to the thickness of the roof decking. Gain access to the attic to inspect the plywood or roof decking. Locate the rotted roof decking. Note bad areas for removal.

And this does not include any interior damages. Look up at the roof area. Moisture causes wood to rot and rotten wood absorbs water even more readily than fresh wood. When replacing roof decking you first need to get rid of the old rotten section.

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. Water is your roof s number one enemy. Rotted plywood can cause a number of issues. Cut away the damaged area.

Rotted plywood is identifiable by sinking areas of the roof or visible leaks. All roofs have a layer of plywood sheathing underneath them which provides a base for the shingle attachment. Although the plywood typically lasts longer than most shingles and roof coverings leaks can cause them to rot. You may need to cut a little extra to expose enough of the trusses and make sure you get rid of all the rotten wood.

Plywood while a bit more expensive than osb is much denser and provides greater protection against moisture. Osb is composed of intertwining wood strands bonded together by a waterproof resin and is a popular option due to its low price point.