Warped Roof Plywood

I use a sponge or sprayer to wet the concave side of the plywood hot water works best.

Warped roof plywood.

Spray hot water generously onto the concave area of the warped plywood. Reversing the warp can be accomplished by adding moisture to this concave side and drying the convex humped side. Step 2 set the plywood sheet on a flat surface that has adequate exposure to warm air such as a paved driveway on a warm sunny day. Plywood in a roof deck creates a warped effect when holes in the exterior allow water inside your home.

These include weaknesses in the overall structure. Like the underside of a shriveling leaf the plywood s concave side has lost moisture and shrunk. It could be an indication of water leaking through the shingles or a. Cdx plywood is a construction grade type of plywood that is designed for.

Most construction sites will consider the use of either osb or plywood for the roof. Internachi describes some of the effects multiple layers of roofing can have on a home. Any problem with the decking can result in a visible wave on the roof. What kind of plywood for the roof.

The convex or humped side should face up and the side you sprayed. Plywood sheathing not butting up nicely all around but warpage here and there is pretty easy to see how the home inspector caught the mold but didn t see the warped sheathing is a head scratcher pretty clear this didn t happen in the last 18 months. The concave area is the interior of the hump formed by the warping. Damaged decking can be potentially dangerous.

The decking is the plywood that covers your entire roof and is the foundation for your shingles.