Installing wall shelves yourself

Table of Contents

• Project preparation and taking measurements
  • Determining placement and height
  • Checking the level and marking reference points
• Tools for installing a wall shelf
• Wall shelf mounting according to wall type
  • How to identify your wall type
  • Drywall: suitable plugs and anchors
  • Concrete and masonry: drilling cleanly
  • Brick: watch the joints and surface
  • Quick comparison table
  • The case of floating shelves
• Assembling and mounting the shelf to the wall
  • Drilling holes and installing plugs
  • Screwing in supports and checking for plumb
• Distance between two wall shelves
• Installing a shelf between two walls
• Common errors and troubleshooting
  • The shelf tilts forward or to the side
  • The shelf moves laterally
  • A cracking sound when loading the shelf
  • The hole is too large or the plug spins in the void
  • The shelf pulls out of the wall
  • Errors to avoid from the start
  • When to call a professional
• Frequently Asked Questions

Last updated: October 5, 2026

Project preparation and taking measurements

Before drilling the first hole to install wall shelves, you must prepare your project thoroughly.

First, determine the exact location of the shelf by considering the height, the distance from adjacent walls, and the intended use: a bookshelf is not placed at the same height as a decorative shelf.

Determining placement and height

The ideal height depends on what you will be storing. For a bookshelf, a height between 60 and 150 centimeters from the floor is suitable.

Also, verify that no electrical cables or pipes run behind the wall at the chosen spot.

Mark the location with a pencil to visualize the result, and use a tape measure and a level to validate the reference points before drilling.

Checking the level and marking reference points

A spirit or laser level ensures the shelf is horizontal, as even a slight tilt becomes visible once loaded. Draw a light horizontal line with a pencil to position the brackets.

Measure the distance between the bracket mounting points and mark them on the wall to avoid alignment errors.

Double-check your measurements before drilling: a drilled hole cannot be moved easily.

Tools for installing a wall shelf

To install wall shelves correctly, you need the right tools: unsuitable tools will damage the wall or result in an unstable installation.

Essential tools: electric drill, drill bit suitable for the wall type, level, tape measure, pencil, and screwdriver.

For safety, wear protective eyewear against dust, a dust mask, and work gloves.

Here are the tools to have on hand:

• Electric drill with charged battery
• Drill bits suitable for the wall type (concrete, drywall, wood)
• Spirit level or laser level
• Tape measure (at least 5 meters)
• Pencil for marking reference points
• Screwdriver suitable for the bracket screws
• Hammer to insert the plugs
• Electrical cable detector
• Protective goggles and gloves
• Dust mask for drilling

Wall shelf mounting according to wall type

The wall type determines the mounting hardware to use, and this is where most projects fail: an ordinary plug will not hold in concrete, and a wood screw alone cannot support a loaded shelf in drywall. Therefore, identify the composition of the wall before drilling.

How to identify your wall type

• Drywall (gypsum): hollow surface; you hear an echo when tapping. Very common in modern houses and condos.
• Concrete or masonry: cold, hard surface without an echo. Common in basements, foundation walls, and some buildings.
• Brick: textured surface, visible joints. Mainly encountered on exterior walls or fireplaces.
• Solid wood or panels: solid-sounding surface, often found in older constructions or wood-paneled walls.

A stud and cable detector confirms the nature of the wall and locates obstacles. In case of doubt regarding a load-bearing wall or a zone with plumbing, consult a professional.

Drywall: suitable plugs and anchors

Since drywall is hollow, the mounting hardware must expand behind the surface to distribute the load. Common options:

• Plastic expansion plugs: for light loads only (small decorative shelves).
• Toggle bolts (Molly type): they expand behind the wall and offer better grip for moderate loads.
• Spring or wing anchors: useful when you cannot access behind the wall.
• Direct mounting into studs: the most solid solution. Studs are generally spaced 40 cm (16 inches) or 60 cm (24 inches) apart depending on construction. A stud finder allows for precise localization.

For a shelf that will hold books or heavy objects, aim for the studs. If no stud is available where desired, add a reinforcement board screwed into the studs, then attach the shelf to it.

Concrete and masonry: drilling cleanly

Concrete is solid but demanding. Plan for:

• A concrete drill bit (carbide-tipped) and a drill with a hammer function.
• Nylon or metal expansion plugs, sized according to the screw and the load.
• Slower drilling, with constant pressure, to avoid overheating the bit.

Before drilling, verify that no cables or pipes are running through the area. A poorly placed hole in concrete is difficult to repair cleanly.

Brick: watch the joints and surface

Drill brick with a masonry bit, in the center of the brick rather than in a joint, which offers less grip. Expansion plugs are suitable, but a longer plug is sometimes necessary to cross the finishing layer.

Quick comparison table

The case of floating shelves

Floating shelves often use invisible brackets that require solid fixation into a stud or solid wall. In drywall alone, a loaded floating shelf risks pulling out: fix it to the studs or choose a model designed for hollow walls with suitable anchors.

Assembling and mounting the shelf to the wall

Once measurements are taken and tools gathered, installation can begin: it requires precision and patience.

Drilling holes and installing plugs

Use the drill bit appropriate for the wall type: a standard bit for drywall, a masonry bit for concrete.

Drive the plugs flush with the wall and verify they are securely in place before screwing in the brackets.

Some plugs are installed before drilling, others after: read the manufacturer's instructions, as an improperly installed plug can cause the shelf to fail.

Screwing in supports and checking for plumb

Screw the supports into the plugs with the appropriate screwdriver, firmly but without forcing, so as not to damage the wall or the plugs.

Before placing the shelf, check with a spirit level that the supports are at the same level; otherwise, the shelf will not be stable.

Place the shelf on the supports and check that it does not slide. If it wobbles, ensure the brackets are securely attached and level.

Wall coat rack with shelf, white →

Distance between two wall shelves

20 to 25 centimeters is enough for plates or cups, and the spacing can be adapted to the visual effect desired for decorative objects.

Mark all locations before drilling: a pencil and level allow you to trace the marks for each shelf and correct them before starting.

Here are recommended spacings based on usage:

• Paperbacks: 20-25 centimeters
• Standard size books: 25-30 centimeters
• Dishes and plates: 20-25 centimeters
• Large decorative objects: 30-40 centimeters
• Plants and small objects: 15-20 centimeters

Installing a shelf between two walls

Installing a shelf between two walls requires precise adjustment: if it's too short, it leaves gaps; if it's too long, it won't fit.

If the shelf is fixed to both walls, mount brackets on each side to distribute the weight, and verify they are at the same level before placing the shelf.

Specialized plugs allow for invisible brackets that hide behind the shelf for a clean look, ideal for small, light shelves.

Common errors and troubleshooting

Even with good preparation, an installation can run into problems. Here is how to recognize the symptoms, the probable cause, and the fix.

The shelf tilts forward or to the side

Symptom: the shelf is not level once loaded.

Probable cause: brackets are misaligned or the wall is not straight.

Solution: remove the shelf and check the levelness of the brackets. If the wall is irregular, add a thin shim behind the lower bracket or reposition them. Never compensate by overloading one side.

The shelf moves laterally

Symptom: the shelf slides or pivots slightly.

Probable cause: screws not tightened properly or undersized plugs.

Solution: tighten the screws. If the movement persists, replace with longer screws or more robust plugs. For a long shelf, add a third support in the center.

A cracking sound when loading the shelf

Symptom: cracking or squeaking sound when placing an object.

Probable cause: the plug is not securely anchored or the hole is too large.

Solution: remove the screw and plug. If the hole is too large, use a larger diameter plug or fill it with a drywall repair compound, let it dry, then redrill. For heavy loads, move the mounting point to a stud.

The hole is too large or the plug spins in the void

Symptom: the plug does not hold; it spins.

Probable cause: drill bit too large or crumbling wall.

Solution: switch to a larger-gauge wall plug designed for enlarged holes, or use a toggle anchor that expands behind the wall. As a last resort, move the fixture a few centimeters.

The shelf is pulling away from the wall

Symptom: the fixture gives way under the load.

Probable cause: load exceeds the plug's capacity, or fixing into drywall without a stud.

Solution: remove the shelf and inspect the damage. If the drywall is torn, patch it, then re-anchor into a stud or add a reinforcement board. Reduce the load or distribute the weight across more brackets.

Errors to avoid from the start

• Drilling without checking for cables or pipes.
• Choosing wall plugs before identifying the wall type.
• Skipping the leveling step.
• Overloading a shelf beyond what the fixture can support.
• Using wall plugs that are too small for the intended load.
• Failing to tighten the brackets properly.
• Installing the shelf without verifying it is secure.

When to call a professional

If the wall is made of reinforced concrete, if cables or pipes are suspected, or if the shelf needs to support a significant load (full bookcase, appliances), consult an electrician, carpenter, or specialized hardware store: a failed installation can damage the wall and present a risk of falling.