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Medicine Cabinets
The mirror is the first decision
Above most bathroom vanities hangs a mirror, and behind that mirror is often wasted wall. A medicine cabinet turns that flat glass into storage for toothbrushes, razors, daily pills, contact lens supplies and the small items that clutter a vanity top. The first decision is whether the cabinet sits on the wall surface or is set into it, because that choice controls depth, appearance and how much work the installation involves.
A second decision follows quickly: how much the cabinet should hold. A household of one needs a narrow unit, while a shared bathroom with several people may need a wide triple door model. Measuring what would go inside before shopping prevents the common surprise of a cabinet that looks generous and holds a single row of bottles.
Surface mounted cabinets
A surface cabinet is a box that hangs on the wall, with the full depth sticking out into the room. It requires no cutting and can be hung nearly anywhere a stud or a proper anchor is available. That makes it the usual choice for renters, for walls that hide plumbing or wiring, and for rooms where the framing behind the wall is unknown.
The drawback is the profile. A surface unit projects several inches into the room, which can feel bulky above a narrow vanity and may knock heads when someone leans over the sink. In small bathrooms, the extra depth can crowd the space near the mirror, so look at the projection and consider where a person will stand.
Recessed cabinets
A recessed cabinet is set between wall studs so the box sits inside the wall and only a thin frame shows. The result is a flush look and more floor space in the room. Because the box occupies the cavity between studs, a standard recessed unit is sized to fit a common stud spacing, with a few inches of clear depth that the wall provides.
Recessing is not always possible. The wall behind the mirror may hold a plumbing vent, a drain line, an electrical cable or a bracing member. An exterior wall may carry insulation that should not be removed. Before cutting, find the studs, look in the cavity through a small inspection opening and check for wires and pipes. If anything is in the way, a surface unit or a shallow cabinet may be the better fit.
- Check the stud spacing, which sets the width of a standard recessed box.
- Look for vent pipes, drain lines and electrical cables in the cavity.
- Consider the wall depth, since a standard wall is only a few inches deep.
- Avoid exterior walls where insulation and vapor barriers are disturbed.
Semi-recessed and wide options
A semi-recessed cabinet sinks partway into the wall and projects the rest. It gains some depth without cutting as deeply, a useful compromise where the cavity is shallow. A wide cabinet that spans two studs requires one stud to be cut and the opening to be framed with a header, which is a bigger job and may call for a carpenter.
Doors, hinges and shelves
Doors may be a single large mirror, two side-by-side doors or three panels. A single door is simple, but swings wide and may collide with a light fixture or a wall. Side-by-side doors need less swing space. A three panel unit with angled side mirrors lets a person see the back of the head, which suits grooming but needs a wider wall.
Hinges should open far enough to reach the corners, and they should hold the door where it is left. Soft close hinges prevent slamming that can crack a mirror. Shelves should be adjustable glass or sturdy metal, and their positions should fit tall bottles, since a fixed shelf spacing wastes space. Check that the shelf edges are smooth and that the cabinet has a stop to prevent a heavy door from swinging into the sink.
Material and moisture
A bathroom is a wet room, so the material must survive steam. Stainless steel and aluminum resist rust. Wood boxes need a sealed finish, and cheap particleboard can swell. Mirrors with a protective backing resist the black edges that show up when moisture creeps behind the glass. A fan that actually vents outside matters as much as the cabinet, because a cabinet in a damp room will deteriorate regardless of its quality.
Medications should not live in a steamy room if the label says to keep them cool and dry. Many people store pills in a hall closet or a bedroom drawer and use the bathroom cabinet for toiletries. A lock is wise when children visit, and some cabinets offer a small lockable compartment.
Where the cabinet sits relative to the vanity
The center of the cabinet normally lines up with the center of the sink, so the mirror frames the person using it. For a double vanity, two cabinets or one wide cabinet should be centered over each basin. The bottom edge should sit a few inches above the faucet and backsplash so the person can lean in without hitting the faucet, and the top should be reachable without a stool. A typical comfortable height places the lowest shelf near shoulder level.
Mounting height also depends on light. A cabinet that casts a shadow across the face is annoying, so check that the sconces or vanity light bar sit above or beside it, not behind. Walls with a window opposite can reflect glare in the mirror, so test the position before drilling.
Where this fits in a larger plan
A medicine cabinet is one piece of a bathroom storage plan, alongside the vanity drawers, a linen tower and shelves. The longer project articles on kitchen and bath remodeling riverside field show how bathroom storage pieces were combined in actual homes, which helps decide what belongs behind the mirror and what belongs somewhere else.
Installation notes
Hanging a surface cabinet involves a level, a stud finder and screws long enough to reach the framing. Hollow wall anchors are acceptable for light units but not for a loaded cabinet. For a recessed unit, trace the opening, cut the drywall with a small saw, frame the opening if needed, set the cabinet and fasten it through the box into the studs. A trim ring or the cabinet flange covers the rough edge.
Seal the gap between the cabinet frame and the wall with paintable caulk, and keep the area around the box dry during the rest of the project. If the bathroom is being remodeled, install the cabinet after wall finishing but before final paint touch-ups, so the wall and box edges can be cleaned up together.
Choosing with confidence
List the items that should live behind the glass, measure the wall, find the studs and decide how much depth the room can spare. If the wall allows recessing, the flush profile is worth it. If not, a slim surface unit is a practical alternative. Either way, pick a material that tolerates moisture, doors that open fully and a size that fits a real daily routine. A cabinet chosen that way quietly clears the vanity top every morning.