How To Straighten A Warped Sheet Of Plywood

I think we all contend with a certain amount of warped plywood sheets due to humidity inconsistencies.

How to straighten a warped sheet of plywood.

This process will take several hours but once it is finished the plywood will be rejuvenated and ready to use for your project. One downside to plywood is its tendency to cup. It s much more likely to stay flat. Wood warps from exposure to moisture which curves plywood or boards for sub flooring or framing a home.

However last year i kept getting 3 4 maple both unfinished and pre finished that would warp 1 over 4. At the same time moisture is being absorbed into the concave side. Set your iron to the highest temperature and let it heat properly for about 2 6. Then i lay the sheet moist side down on a shop floor or a driveway.

The concave part needs to face downwards. How to fix warped doors. Wrap your warped wood in two large moist towels and make sure the warped parts are properly covered. 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. Plywood isn t the only thing that can become warped even after a project is finished. How to fix other warped wood items. The bowing that occurs is actually the plywood shrinking.

I use a sponge or sprayer to wet the concave side of the plywood hot water works best. In the future you may want to try oak mdf medium density fiberboard instead of plywood. Doors not just cabinet doors can become warped as well especially homemade doors made of plywood. Now the sun or the warm interior air helps to dry out the convex humped side of the plywood.

Using a sponge that s slightly damp moisten the concave side of each piece. For your convenience here are some ideas on how to fix other common warped wood items. Using warped planks in framing a home or in a sub floor may result in problems as floors and walls begin to buckle. Plywood pieces can warp if they have been improperly stored or exposed to moisture.