Roof Plywood Rotting

We did a complete tear off replacement 12 years ago and saw the first ceiling leak about 4 years ago.

Roof plywood rotting.

Fungi will not grow on. Rotted boards are the result of moisture reaching the wood. Locate the rotted roof decking. How long should the plywood on our roof be good before rotting.

What are different types of roof decking. If you re only replacing the portion of the roof with damage you need to find out the. How to fix rotten wood on a roof locate dry rot roof damage. Pry up shingles around the damaged area.

Moisture causes wood to rot and rotten wood absorbs water even more readily than fresh wood. We blame ourselves for not taking care of it. Look up at the roof. Most roof decking is made from plywood or a plywood composite known as oriented strand board osb.

How to replace rotted roof plywood sheathing step 1. Each shingle is typically secured by eight nails. Osb is composed of intertwining wood strands bonded together by a waterproof resin and is a popular option due to its low price point. Sealing plywood has any advantages.

Climb up and walk carefully onto the roof. It s a problem that demands immediate attention and there are no quick fixes. Hold onto the old shingle mold if it looks to be in good shape. All exterior woods are prone to gel mold due to its nature and other factors like humidity.

Remove tiles and slate. Wood rot is a form of decay triggered by the combination of moisture and fungi microscopic organisms. Gain access to the attic to inspect the plywood or roof decking. A rot makes a wood damaged and also destroys its appealing look.

Locate nails that hold shingles. It will save you from extra expenditure and your wood from decaying. Set up a ladder at an even location on the ground next to the home. 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.

Remove the rotten wood. 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. Detach the nails that.

Rotten boards on your roof can lead to leaks and more rot. Should have fixed it then and a friend did try but for a long time it wasn t too bad. Starting at one corner of the roof wedge a pry bar into the narrow space at the top of the shingle mold the thin wooden strip that sits just below the shingles. In order for fungi to set up shop the wood must be continuously damp.

How to fix rotted roof decking 1. Remove the shingles over the area of the rotted roof decking identified previously.