How To Fix Warped Plywood Floor

Keep in mind that this will require an aggressive amount of sanding in most instances.

How to fix warped plywood floor. You can flatten them again with hot water and a warm environment. If the thickness of the plywood is not enough to support that weight it will eventually cause the shelves to warp. This process will take several hours but once it is finished the plywood will be rejuvenated and ready to use for your project. Most often a warped wood floor is caused by standing water or heavy moisture below the floor due to an unidentified leak or other hidden water source.

Plywood pieces can warp if they have been improperly stored or exposed to moisture. Over the course of time this will lead to warping. Water causes the wood to expand and shrink. The concave part needs to face downwards.

The bowing that occurs is actually the plywood shrinking. The first method to fix a warped floor is to sand it. The problem in this case is the weight of the books or other things which are placed on the shelves. Now keep your wrapped wood on a flat surface that also will be able to bear the temperature of your iron.

This works best for warps that come from humidity or a water spill rather than from a leak that originated below your flooring. Wood warps from exposure to moisture which curves plywood or boards for sub flooring or framing a home. As humidity or moisture from rain water falls onto the wood the lumber absorbs the liquid causing it to expand and bend. Many floor boards that are warped will need to be removed and replaced.

Wood floors usually become warped because of water damage although too much sunlight can also cause boards to warp. Wrap your warped wood in two large moist towels and make sure the warped parts are properly covered. How to fix warped plywood shelves. 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.

Sometimes even a nearby water source like flooding underneath the house can cause enough of a moisture imbalance to result in warping. Plan the layout of the plywood sheets so the long dimension of the plywood runs perpendicular to the floor joists. Sand down the bump in your flooring until it is level with the rest of the floor.