Plywood pieces can warp if they have been improperly stored or exposed to moisture.
How to straighten a warped sheet of plywood.
Now keep your wrapped wood on a flat surface that also will be able to bear the temperature of your iron.
At the same time moisture is being absorbed into the concave side.
I think we all contend with a certain amount of warped plywood sheets due to humidity inconsistencies.
Give the plywood some time and see if it flattens itself.
Then i lay the sheet moist side down on a shop floor or a driveway.
Wrap your warped wood in two large moist towels and make sure the warped parts are properly covered.
Using a sponge that s slightly damp moisten the concave side of each piece.
Now the sun or the warm interior air helps to dry out the convex humped side of the plywood.
I use a sponge or sprayer to wet the concave side of the plywood hot water works best.
How to fix warped doors.
You can flatten them again with hot water and a warm environment.
I just kept returning it to my distributor but the problem was not resolved until the distributor stopped buying from one particular mill.
The bowing that occurs is actually the plywood shrinking.
How to fix other warped wood items.
The concave part needs to face downwards.
Plywood isn t the only thing that can become warped even after a project is finished.
One downside to plywood is its tendency to cup.
In the future you may want to try oak mdf medium density fiberboard instead of plywood.
It s much more likely to stay flat.
Doors not just cabinet doors can become warped as well especially homemade doors made of plywood.
As humidity or moisture from rain water falls onto the wood the lumber absorbs the liquid causing it to expand and bend.
Wood warps from exposure to moisture which curves plywood or boards for sub flooring or framing a home.
This process will take several hours but once it is finished the plywood will be rejuvenated and ready to use for your project.
Set your iron to the highest temperature and let it heat properly for about 2 6.
