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How to Install Acrylic Mirror Sheet

acrylic mirror in bathroom
19 September 2023 Edited 14 May 2024 3 min read
How to Install Acrylic Mirror Sheet

Adding mirrors to a room is a great way to add some light or depth to a room. With a multitude of uses, mirrored acrylic is fantastic to use both indoors and out, from the garden to a child’s playroom, with added safety features making it a preferred option to traditional glass mirrors.

While our self-installation guide is provided here, we recommend professional installation for optimal results.

We recommend that any mirrored acrylic sheets ordered above the size of 1m2 should be ordered to a minimum thickness of 5mm and will require a suitable backing, in order to provide a high-quality finish.

This guide will walk you through the process of backing large mirrored acrylic onto an MDF board, which will ensure a distortion-free reflection. Even newly built homes can have wonky walls, and although it looks smooth, it doesn't necessarily mean that it is flat. Because of this, we recommend putting larger sheets of mirrored acrylic onto an MDF backing to ensure a high-quality finish. To back your mirrored acrylic to equally high quality, we highly recommend a flat, strong board, such as our 18mm MDF. 

Please be aware that any scratches to the reverse side of the mirrored acrylic will show in the reflection when fitted, so ensure you handle the product with care.

Prior to installation, test your non solvent based adhesive on a small area to avoid damaging the reflective surface. Alternatively, mechanically fixing with screws is an option. Remember to include fixing holes and mirror screws when placing your order.

Please be aware that using screws makes installation without distortion harder to achieve, particularly on larger sizes. For this installation guide, we will be using adhesives.

What You'll Need

  • Mirrored Acrylic Sheet
  • MDF Backing Board of the same measurements as your mirrored acrylic
  • Adhesive - Suitable options include BTF or Double Sided Tape. Please make sure that your adhesive is non-solvent based to avoid damaging the acrylic.
  • A Rubber Roller

How To Back Mirrored Acrylic

  1. Lay backing material onto a flat surface, and mark with a pencil where you intend to back the mirrored sheet.
  2. Apply your adhesive option onto the reverse (non-reflective) side of the mirrored acrylic sheet.

    If using adhesive: Apply it generously but with a small bead along the surface of the MDF board. Remember, a thinner bead is better for a flush finish against the wall. Spread the adhesive evenly across the board in a zigzag pattern to ensure consistent coverage.
    If using double sided tape: Make sure to put this on in many places across the back of the mirror and not just the corners for even coverage. 
  3. Carefully align your mirrored acrylic sheet and your backing board together. 
  4. When aligned, sandwich the two together firmly making sure you are applying pressure evenly across each part of the board. 
  5. Use the rubber roller to gently smooth out any unevenness with the adhesive.
  6. Allow to dry in a cool area.

Things To Note

  • Do not forget to peel off the protective film on the reflective surface
  • Once the mirrored acrylic is installed, we are unable to accept returns of the product - this does not affect your statutory rights
  • Please be aware that failure to follow our installation advice may cause distortion or warping of the product

About author

James Bryant

Founder

James Bryant is the Founder of Cut My, an online retailer providing quality materials for home improvement and DIY projects. An avid DIY enthusiast himself, James started Cut My to share his passion for building and making things.

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