How To Fix Warped Wood Slab

In order to flatten a warped twisted or cupped board a common approach is to first use a jointer to create one perfectly flat face.

How to fix warped wood slab. The process is simple. The wide board or panel will be sitting like a rainbow with the two legs down and the center up. Small pilot holes are useful when screwing into a hardwood slab like this. Step 1 lay damp towels or other heavy cloths on top of the warped boards for 48 hours. Then screw on up to fix it.

Then just proceed to dry the top side either with the sun or a hair dryer. In this case you should wrap the warped wood with moist towels. Put the dry side down on a flat surface one that restricts air movement across the bottom of the wood. Step 6 remove the clamps after 72 hours. Sunlight can be used to straighten wood.

When a tree is first cut the water in between the cells evaporates then shrinkage sets in as some of the water within cells dries out. Then you run the board through a thickness planer with the flat face downward and the planer makes the top face parallel to the bottom. Hold the iron on each spot for 5 to 10 seconds before sliding it to the next spot. Gradually slide it all the way over the entire surface applying even pressure to the warped area. Select a cloth that will easily retain moisture.

Tighten the clamps until the warp in the board reverses by at least 3 4 inch. Soak your chosen towels in water remove the excess and follow these steps. The extra tightening allows for the board to spring back by that amount when you remove the clamps. Press the iron over the warped surface. Press the iron down on one end of the covered wood.

However you can first try repairing the wood planks yourself using a very simple and inexpensive method. All solid wood expands contracts but to different degrees with different species.