Dovetail Drawer Boxes and Slides in Custom Austin Cabinets
The drawer front looks perfect. The drawer box behind it is stapled together out of thin particleboard and sags by the second year. The breakdown sitting on custom cabinets austin protostar engineering lists the parts of a drawer in the order they fail, because a custom cabinet in Austin, TX gets its heaviest daily use at the drawers, not the doors.
The joint at the corner
A dovetail drawer has interlocking pins and tails cut into the sides and the front and back. The shape resists the pull of a loaded drawer being yanked open. Doweled and stapled corners rely on glue and fasteners, and they rack apart under load. A true dovetail drawer in maple or birch, glued and finished, lasts as long as the cabinet.
What the drawer box is made of
Solid hardwood sides, half inch or thicker, are the high end. Baltic birch plywood with a clear finish is nearly as strong, and its layered edge is stable across Austin seasons. Melamine and particleboard drawers are common and work for light storage. A drawer box that will hold pots wants a bottom at least a half inch thick, set in a groove, or it will bow under a stack of lids and pans.
Slides do the real work
A drawer slide carries the load and sets how the drawer feels. Full extension slides let the whole drawer clear the opening, so the back of a deep drawer is reachable. Soft close slides catch the drawer in the last couple of inches and draw it shut quietly. Each slide has a load rating printed on its box, and a pot drawer needs a heavier rating than a utensil drawer. Undermount slides hide beneath the box. Side mount slides show but carry a lot.
Fitting the slide to the box
A slide screws into the carcass side, and the quality of that screw bite depends on the sheet behind it. In a plywood box the screws grip well. In particleboard they strip out after repeated loading. A frameless carcass hangs its slides directly on the sides. A face frame needs a spacer to bring the slide flush past the frame. Drawer clearance is usually around a half inch each side, set exactly by the slide type.
Humidity and sticking
Summer humidity swells a solid wood drawer box slightly, and a tight fit starts to drag. Slides with side to side play forgive it, and a plywood drawer swells less than solid wood. A little wax on a wood runner helps an older drawer. Most drawer trouble in an Austin house comes from the box, the slide load rating, or a corner joint that was never strong enough.