Roof Plywood Rotting

Once all nails and screws are removed lift the rotted decking board up and off the roof.

Roof plywood rotting.

Tools reviews materials. Note bad areas for removal. 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. Like the fascia a decaying soffit should be soft enough to pull out manually.

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. The soffit is the wide horizontal board that encloses the underside of the eaves. If you re a homeowner looking for a new deck you need to compare plywood vs osb. Staple it to the roof decking or nail it with plastic capped roofing nails.

We discovered damage on this roof after we removed the underlayment. Lay felt paper onto the roof overlapping the existing paper to get good coverage. Cover the seams between the old and new decking with bitumen tape. Roof materials plywood vs osb debate.

Once you repair the hole in the roof plywood you need to seal up the seams and recover the roof. Locate the rotted roof decking. What are different types of roof decking. Look up at the roof area.

All roofs have a layer of plywood sheathing underneath them which provides a base for the shingle attachment. Most roof decking is made from plywood or a plywood composite known as oriented strand board osb. Osb is composed of intertwining wood strands bonded together by a. Your system is likely comprised of plywood and may be rotted due to moisture and delamination caused by rain and other forms of inclement weather.

In most instances it is plywood or particleboard. Your new board should be the same material. Gain access to the attic to inspect the plywood or roof decking. A slight water intrusion may compromise the roof deck creating wood rot.

Remove the old soffit. I am using a 7 16 osb sheathing that i got from lowe s. Although the plywood typically lasts longer than most shingles and roof coverings leaks can cause them to rot.