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Using Epoxy and a Heat Gun to Make MDF Screw Joints Stronger
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If you work much with MDF, you know that the edges don’t have a great deal of holding power for screws, and it often splits. When I need to make a sturdier screw joint, I drill a slightly oversized pilot hole for my screw and fill it with epoxy. Before the epoxy sets, I warm it with a heat gun so it soaks into the MDF, then I drive the screw into place. The glue seems to reduce the tendency of MDF to split while creating much stronger “threads” for the fastener. Try it!

posted on June 1, 2008 by Woodworker's Journal
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