Roof Plywood Warped

The plywood might also become warped itself if it becomes wet which could happen in the case of a roof leak.

Roof plywood warped.

Poor installation can result in a wavy roof. 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. Only other way is to go back and add blocking to support it where it s sagging.

At my expense of. An improperly installed roof deck or the sheets of plywood that are underneath your roofing material could result in the plywood shifting. A good atlanta roofing contractor minds the details. 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.

He says it is not up to code and he has no choice. Even though it isn t visible it is very important to the structure. The bowing that occurs is actually the plywood shrinking. Cdx plywood is a construction grade type of plywood that is designed for exposure to the elements.

Poor installation may also create movement in the plywood. As always contact a professional for a thorough inspection and roofing consultation. Vent needs to be run out the roof not the soffit. The roofer has been tearing the old roof off and has found that the sheathing is dimensional lumber.

It can withstand moisture for a brief period of time but may become warped and delaminated with consistent exposure to the elements. The plywood is nailed to the roof rafters and unless the builder used a tongue and groove plywood or h clips the long edge can warp in between each rafter. He says it all has to be torn off and replaced with plywood. Remember you get what you pay for.

Sometimes referred to as roof sheathing or a roof deck this plywood acts as a foundation for the layers of underlay and the shingles on your roof and connects the roof to the frame of the house. You can flatten them again with hot water and a warm environment. Most construction sites will consider the use of either osb or plywood for the roof. It is important to use a reputable trusted contractor for your roof.

Very common to miss a few spots when nailing the sheathing not an issue most of the time unless they missed a whole row. Plywood s not going to straighten back out needs to be replaced. What kind of plywood for the roof. The simple fact is that misaligned or poorly fastened panel edges in your roof deck can cause lines steps warping and bowing that can t be hidden or masked by the best atlanta roofing contractor or the thickest dimensional shingles.

Be careful if you are inspecting the roof yourself as a warped roof is potentially dangerous to walk on. Chances are the shingles on your roof were attached on top of a plywood base. Plywood pieces can warp if they have been improperly stored or exposed to moisture.