How To Fix Warped Plywood Floor

Using warped planks in framing a home or in a sub floor may result in problems as floors and walls begin to buckle.

How to fix warped plywood floor.

Wood warps from exposure to moisture which curves plywood or boards for sub flooring or framing a home. The problem in this case is the weight of the books or other things which are placed on the shelves. Sand down the bump in your flooring until it is level with the rest of the floor. Plywood pieces can warp if they have been improperly stored or exposed to moisture.

Water causes the wood to expand and shrink. Sometimes even a nearby water source like flooding underneath the house can cause enough of a moisture imbalance to result in warping. Keep in mind that this will require an aggressive amount of sanding in most instances. If the thickness of the plywood is not enough to support that weight it will eventually cause the shelves to warp.

Wrap your warped wood in two large moist towels and make sure the warped parts are properly covered. Wood floors usually become warped because of water damage although too much sunlight can also cause boards to warp. As humidity or moisture from rain water falls onto the wood the lumber absorbs the liquid causing it to expand and bend. A new layer of 5 8 inch or 3 4 inch tongue and groove plywood subflooring is like adding a new subfloor over the old to create a stiffer flatter surface for any type of finished flooring.

This process will take several hours but once it is finished the plywood will be rejuvenated and ready to use for your project. The concave part needs to face downwards. The first method to fix a warped floor is to sand it. Another common use for plywood where it has a high tendency to warp is for shelves.

Set your iron to the highest temperature and let it heat properly for about 2 6. Now keep your wrapped wood on a flat surface that also will be able to bear the temperature of your iron. You can flatten them again with hot water and a warm environment. This works best for warps that come from humidity or a water spill rather than from a leak that originated below your flooring.

The bowing that occurs is actually the plywood shrinking. Many floor boards that are warped will need to be removed and replaced. Plan the layout of the plywood sheets so the long dimension of the plywood runs perpendicular to the floor joists.