Roof Plywood Rotting

I am using a 7 16 osb sheathing that i got from lowe s.

Roof plywood rotting. In most instances it is plywood or particleboard. Remove the old soffit. We discovered damage on this roof after we removed the underlayment. The soffit is the wide horizontal board that encloses the underside of the eaves.

Lay felt paper onto the roof overlapping the existing paper to get good coverage. Roof materials plywood vs osb debate. 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. Note bad areas for removal.

Cover the seams between the old and new decking with bitumen tape. 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. Most roof decking is made from plywood or a plywood composite known as oriented strand board osb.

Rotted plywood is identifiable by sinking areas of the roof or visible leaks. If you re a homeowner looking for a new deck you need to compare plywood vs osb. Locate the rotted roof decking. 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.

Tools reviews materials. 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. Look up at the roof area.

Your new board should be the same material. Once all nails and screws are removed lift the rotted decking board up and off the roof. Gain access to the attic to inspect the plywood or roof decking. 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 this video i show how to replace rotten plywood on your roof without breaking your back. Like the fascia a decaying soffit should be soft enough to pull out manually. Staple it to the roof decking or nail it with plastic capped roofing nails.