Q: In “Illustrated Guide to Doors” (FWW #204), Andy Rae shows a pair of doors that meet with a beaded lap. Placing the bead on the right-hand door, as the illustration shows, greatly weakens the lap. There is little material left after beading if the rabbet is half the thickness of the stile. Wouldn’t it be better to bead the left-hand stile, where the bead would be cut into the full thickness of the stile? Richard Byrne, Staunton, VA A: Thanks for pointing out the danger of weakening the stile by cutting a bead above the rabbet. You can strengthen the bead by cutting unequal rabbets. On the right-hand door, the rabbet should be shallower than on the left. This makes the beaded lap stronger, because there is more material under the bead. Solution 1: Offset the rabbets: Deepening this rabbet makes the beaded lap stronger. A second option would be putting the bead on the left-hand stile, as you suggest. Solution 2: Bead the left stile: Beading the left-hand stile doesn’t weaken either lap, because the bead is over the full thickness of the stile. You also could forego the lap altogether, but you’ll allow more dust…
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In this video, Matt takes some of the lessons learned in episodes 3 & 4 and builds on them to demonstrate the North Bennet Street method for the half-blind, or half-lapped, dovetails on the toolbox drawers.