You usually hear the phrase, “mirror on the wall,” because you find these big sheets of glass usually on such places.

But for people who are using a pretty cramped place, walls and such are usually installed with storage solutions such as hanging cabinets or hooks for several things like belts and cookwareAs such, you can sometimes find mirrors in unusual places, like the door.

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Installing a mirror in a door is quite a simple process if you have the right tools. As long as you have the basic skills needed to measure the right positioning of the mirror, in addition to basic tools, you are ready to go. Here’s how to install your mirror to a hollow-core door.

Installing a mirror on a door

When installing a brittle material like a mirror on a door, the structural integrity will need checking. Full-size mirrors are heavy, which might not be supported by hollow-core doors. Meanwhile, modifying a sturdy and expensive solid-core door can be a waste if not done properly. Moreover, mirror installation on hollow-core doors is more commonly done in DIY settings, while professionals do solid-core mirror installations. This tutorial tackles mirror installation on hollow-core doors.

To install the mirror, here the following materials you need:

  • Ruler or a level
  • Pencils (for marking)
  • Hollow-Wall hooks
  • Sandpaper
  • Mirror Mastic
  1. Determine the right positioning for the mirror

To determine the right positioning, you need to find the middle of the door first. Mark this position by using a pencil or any marker you prefer. Next, find the middle area of the mirror and position it directly in the middle of the same door. Get someone’s help to hold the mirror in place to prevent it from accidentally falling.

Once you determine the position, use a pencil to create a whole outline for the mirror. These markers will serve as the main outline of the mirror when installed. To make sure that the position in perfectly even, you can use a level (the ruler with liquid inside) and check the integrity of the markings.

  1. Sand the door’s surface to make a “bedding” for the mirror

After setting up the markings, the next step is to make a sort of “bedding” for your mirror. With medium-grit sandpaper, start scuffing the area inside the markings. This step might take a while, but it’s better to take the perfect fit instead of uneven surfaces or excessive sanding. Make sure to avoid sanding the door deeper than the mirror’s thickness.

This step is done to remove any dirt and oil that is on the wood’s surface, which is important to help the mirror mastic become more efficient later. If you don’t want to damage the door, the best alternative is to clean the whole door with hot and soapy water.

  1. Clean the surface area and prepare the hooks

Make sure that the surface of the door is clean and dry before proceeding to the next step, which is installing the hooks. Moisture will deter the mirror mastic’s bond. Install the hooks only after the whole surface area of the door is dry. Do the bottom hook installation first, since this will help in supporting the mirror during mirror mastic application. Don’t add the top clips yet.

Since we’re using a hollow-core door as the main example, a simple mirror clip might not be enough to support the mirror. Hollow-wall anchors will be the main support of the mirror. Drill a hole in the marked spot of the hollow door using an anchor setting tool. Alternatively, using hammers will do if you don’t have the anchor. Lightly tap the hooks using the hammer to fix it on the spot.

  1. Add the mirror mastic

Before putting the mirror in its bedding, you have to apply the mirror mastic first. Mirror mastic is an adhesive that works very well with glasses and one can use it on a lot of surfaces such as wood, metal, and painted surfaces. You might have to use a caulk-gun on several instances, but this time, using it by itself is enough.

Apply the mirror mastic inside the bedding, which you sanded earlier. Don’t apply mastic in about 2 inches at the edge to avoid oozing on the edges. Follow the instructions laid out in the container of the mastic for proper usages. Most brands require you to squiggle s-shaped patterns of the stuff to the surface.

  1. Slide your mirror through and secure the top corner

Last but not least, its time to slide the mirror to the bedding and the hooks. Once the mirror is fitted snugly, install the top clips and tighten every hook with the screw. Leave the door and let the mastic dry to get the best bonding result.

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