Fixing Cupped Boards at Randall Graves blog

Fixing Cupped Boards. To flatten a warped piece of wood, you’ll need to change the moisture content on one side of the board. Put the dry side down on a flat surface, one that restricts air movement across the bottom of the wood. Then just proceed to dry the top side, either with the sun or a hair dryer. If a board’s been sitting around and is cupped, there is a way to help flatten it out. It is difficult to flatten a cupped board with a thickness planer because the downward pressure of the feed rolls will press out much of the cup, thereby not allowing the planer knives to flatten the board. In this article, we'll give you a technique that makes flattening cupped boards easier. Look at your warped board and identify the inside face of the “c” or cup. Some might argue that the simplest fix is to attach a batten underneath the shelf to pull it back into shape—and they’re not wrong. The wide board or panel will be sitting like a rainbow, with the two legs down and the center up.

Put the dry side down on a flat surface, one that restricts air movement across the bottom of the wood. To flatten a warped piece of wood, you’ll need to change the moisture content on one side of the board. If a board’s been sitting around and is cupped, there is a way to help flatten it out. The wide board or panel will be sitting like a rainbow, with the two legs down and the center up. In this article, we'll give you a technique that makes flattening cupped boards easier. Some might argue that the simplest fix is to attach a batten underneath the shelf to pull it back into shape—and they’re not wrong. Look at your warped board and identify the inside face of the “c” or cup. Then just proceed to dry the top side, either with the sun or a hair dryer. It is difficult to flatten a cupped board with a thickness planer because the downward pressure of the feed rolls will press out much of the cup, thereby not allowing the planer knives to flatten the board.

How To Fix Cupped Boards with a Batten Popular Woodworking

Fixing Cupped Boards It is difficult to flatten a cupped board with a thickness planer because the downward pressure of the feed rolls will press out much of the cup, thereby not allowing the planer knives to flatten the board. In this article, we'll give you a technique that makes flattening cupped boards easier. Then just proceed to dry the top side, either with the sun or a hair dryer. It is difficult to flatten a cupped board with a thickness planer because the downward pressure of the feed rolls will press out much of the cup, thereby not allowing the planer knives to flatten the board. Put the dry side down on a flat surface, one that restricts air movement across the bottom of the wood. To flatten a warped piece of wood, you’ll need to change the moisture content on one side of the board. The wide board or panel will be sitting like a rainbow, with the two legs down and the center up. Look at your warped board and identify the inside face of the “c” or cup. Some might argue that the simplest fix is to attach a batten underneath the shelf to pull it back into shape—and they’re not wrong. If a board’s been sitting around and is cupped, there is a way to help flatten it out.