Warped Roof Plywood

Like the underside of a shriveling leaf the plywood s concave side has lost moisture and shrunk.

Warped roof plywood.

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. It could be an indication of water leaking through the shingles or a. Most construction sites will consider the use of either osb or plywood for the roof. These include weaknesses in the overall structure.

Reversing the warp can be accomplished by adding moisture to this concave side and drying the convex humped side. What kind of plywood for the roof. Damaged decking can be potentially dangerous. Plywood in a roof deck creates a warped effect when holes in the exterior allow water inside your home.

Spray hot water generously onto the concave area of the warped plywood. The decking is the plywood that covers your entire roof and is the foundation for your shingles. Investigating a warped and wavy roof. The concave area is the interior of the hump formed by the warping.

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. Any problem with the decking can result in a visible wave on the roof. I use a sponge or sprayer to wet the concave side of the plywood hot water works best. When it comes to choosing what kind of plywood you need for the roof it is important to understand the basic categories that you can choose from.

Cdx plywood is a construction grade type of plywood that is designed for.