Mirror installation: what to know

What the job involves, what changes the price, and what to ask a pro.

What mirror installation is

Mirror installation hangs or secures a mirror with hardware rated for its weight, from a bathroom vanity mirror to a large leaning or wall-mounted piece. The right method depends on the size, the weight and the wall, and may use adhesive, clips, a French cleat or mounting hardware.

Signs you need it

  • You have a large mirror that is leaning rather than hung, and it needs a secure wall fixing
  • A bathroom mirror is loose, has lifted from the wall, or has a clip that has failed
  • The mirror is heavy, framed in wood or metal, or has a beveled edge that needs careful handling
  • You want a French cleat system or hidden hardware for a mirror that may be moved later
  • The mirror is on a wall of tile, plaster or a damp surface, and needs the right fixing

What the pro does

  • Check the mirror's weight, its frame and its back, and the wall type, to choose the right method
  • Mark the layout and the mounting height, checking for studs, wires and pipes
  • Fix the mounting hardware or cleat to the studs or rated anchors, keeping it level
  • Apply adhesive or clips at the rated points if the method uses them, and let the adhesive set fully
  • Hang the mirror on the hardware, check that it is level and does not move, and tighten the clips or screws
  • Add safety backing or a protective film if the mirror is large or in a high-traffic area, then check the result

What changes the price

Every job is different, so we do not publish prices. These are the things that move the quote up or down.

  • Mirror size, weight and frame type
  • Wall type, such as drywall, plaster, tile, glass or painted brick
  • Whether the mirror is hung on the wall or set leaning on the floor with a stand
  • Whether a French cleat or a rail system must be fitted to the wall
  • Moisture in the room, such as a bathroom, which affects the adhesive and fixing choice
  • Whether old adhesive, clips or hardware must be removed and the wall patched

What a written quote should spell out

  • The mirror size, type and weight, and the method chosen for it
  • Hardware used, such as clips, French cleats, anchors or adhesive, listed by type
  • Stud finding and level marking, shown as a separate line
  • Old adhesive or hardware removal and wall patching, if included
  • Safety backing or film, if added, listed separately
  • Warranty on the mirror hanging, and how breakage during the install is handled

Questions to ask before you hire

  • What method do you use for this mirror, and is it rated for its weight?
  • Will the adhesive hold in a bathroom with moisture?
  • Do you use a French cleat, and how is it fixed to the wall?
  • Will you check the wall for studs and wiring before you drill?
  • What happens if the mirror breaks during the install?
  • Can you add safety backing to a large mirror?
  • What warranty covers the hardware and the labor?

Red flags

  • They hang a heavy mirror on adhesive alone, without a rating for its weight
  • They fix a large mirror to a wall without finding the studs
  • They skip safety backing on a large mirror in a family area
  • They leave the mirror out of level
  • They will not say who pays if the mirror breaks during the install

What you can do yourself

A homeowner can measure the wall, choose a mirror that suits the space, and check the mirror's hanging hardware. Use hardware rated for the mirror's weight, and check for wires and pipes before drilling. Call a pro for a large or heavy mirror, a leaning mirror that needs a secure anchor, or any mirror on tile, plaster or glass walls.

Licenses and permits

Mirror installation is not commonly a licensed trade. Lighted or hardwired mirrors often need a licensed electrician for the power connection, and wall work that cuts into structure can need a permit. Check with your state or local licensing agency before that work.

Mirror installation questions

Can adhesive hold a large mirror?

Adhesive suits small mirrors. A large or heavy mirror should be secured with mechanical hardware such as clips, cleats or anchors rated for its weight. Ask the installer what the adhesive is rated for.

Should a large mirror have safety backing?

Safety backing or film can reduce the risk of glass falling and scattering if the mirror is hit. Ask the installer to add it to a large mirror, especially in a high-traffic area or a room with children.

Can I hang a mirror over a sink with a light in it?

A lighted mirror needs a power connection, and a licensed electrician usually makes it. Keep the power work with the licensed trade, and check the mirror's rating for damp rooms.

About this guide

This national guide is written and checked by infinibell. Rules and conditions differ by place, so local pros are credited on guides for the cities they serve, not on national ones.

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