My shop is heated in the winter but not cooled in the summer. I am designing, in a
fashion, several drawers to go below my workbench. Each drawer will be about 24" wide
OD and of different heights with the smallest at the top, etc. . The bottoms will be
1/4" ply. Due to the width of the drawers, I think I need to put muntines in them. I
will affix the muntines fore and aft in some fashion between the fronts and backs of
the drawers and up against the drawer bottoms - probably mortise and tennon or wide
dovetails. My questions relate to how those muntines should be installed.
1. Are the muntines attached to the bottoms at all? I would think not.
2. Should the *tops* of the muntines be sealed and waxed before the bottoms go into
the slots of the drawers in order to allow the drawers to move atop them with their
Any tips on muntine installation and precautions will be appreciated.
You do not need any reinforcement IMHO. I built kitchen drawers that are
about 30" by 22". I can stand in them and they have 1/4" plywood bottoms.
See for your self, cut a piece of plywood a bit larger than a drawer will
require and weight it down.
Just recently finished drawers in my shop, and although not as large as
yours (genetics?), I too felt that 1/4" ply was not enough. Instead of
muntins, or stiffeners, I made the bottoms of 1/2" ply. But I still put the
groove in the drawer sides at the same place as if I had used 1/4" bottoms.
The secret is to run a rebate around the perimeter of each 1/2" drawer
bottom so that it is only 1/4" thick around the sides. You will enjoy the
panel stiffness of 1/2" ply, but still fit it in 1/4" grooves and not lose
any drawer depth.
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