Roof Plywood Rotting

A slight water intrusion may compromise the roof deck creating wood rot.

Roof plywood rotting.

We discovered damage on this roof after we removed the underlayment. Cover the seams between the old and new decking with bitumen tape. Tools reviews materials. Staple it to the roof decking or nail it with plastic capped roofing nails.

If you re a homeowner looking for a new deck you need to compare plywood vs osb. Rotted plywood is identifiable by sinking areas of the roof or visible leaks. Although the plywood typically lasts longer than most shingles and roof coverings leaks can cause them to rot. 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.

In most instances it is plywood or particleboard. In this video i show how to replace rotten plywood on your roof without breaking your back. Your new board should be the same material. Lay felt paper onto the roof overlapping the existing paper to get good coverage.

Keep a large waste bin or similar container nearby to dispose of all the rotten roofing materials together when you re finished with your project. Look up at the roof area. Remove the old soffit. 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.

What are different types of roof decking. Roof materials plywood vs osb debate. All roofs have a layer of plywood sheathing underneath them which provides a base for the shingle attachment. The soffit is the wide horizontal board that encloses the underside of the eaves.

I am using a 7 16 osb sheathing that i got from lowe s. Once all nails and screws are removed lift the rotted decking board up and off the roof. Osb is composed of intertwining wood strands bonded together by a. Once you repair the hole in the roof plywood you need to seal up the seams and recover the roof.

Like the fascia a decaying soffit should be soft enough to pull out manually. Locate the rotted roof decking. Most roof decking is made from plywood or a plywood composite known as oriented strand board osb.