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How to Make Scrap Wood Cauls to Assist in Clamping and Gluing Joints
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Notched Cauls Save some different sized pieces of scrap that you can put together in even, notched cauls, which will help you significantly during glue-ups.

One challenge to edge-gluing boards into panels is keeping each of the wet glue joints from sliding out of position. I’ve found that a few pieces of scrap plywood solved the problem for me. I cut a 1/4" x 1/4" centered dado across each of these to allow room for glue squeeze-out. When I’m assembling my panel, I use C-clamps to secure two of my little clamping cauls above and below each glue joint. They align the boards and help keep the panel flat.

posted on April 1, 2011 by Woodworker's Journal
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