How to Add Trim to a Mirror

This post brought to you by Elmer’s ProBond Advanced. All opinions are 100% mine.

We added chair rail to Little B’s bedroom the other day and it made the room look more finished.  Since then, I’ve been walking around the house trying to find more walls to add trim.  This weekend we upgraded this builder’s grade mirror in the Guest Bath by adding trim and it turned out amazing!!!  Let me show you how we Add Trim to a Mirror!

Trimming Bathroom Mirror @ItsOverflowing.com

I love so much about this bathroom, it’s definitely not standard, but it wasn’t finished yet!  The mirror either needed to be replaced (getting this type mirror off the wall is next to impossible) or we needed to add trim!  We went with the easier route!

Trimming Bathroom Mirror 3 @ItsOverflowing.com

I went to our hardware store and picked up —

(1). 1×4 molding to go all the way around the mirror.

(2). Thin trim with one rounded side for the top and bottom of the mirror.

(3). Crown molding to be added to the top of the mirror.

(4). Caulk.

(5). Elmer’s Wood Glue – for adhering Wood Trim to Wood Trim.

(6). Elmer’s ProBond Advanced – for adhering Wood Trim to PVC Trim and Wood Trim to Mirror.

(7). Semi-Gloss Trim Paint.

Trimming Bathroom Mirror 4 @ItsOverflowing.com

First we cut the 1×4 board into two pieces the width of the mirror.  To these pieces, a thin trim will be added to both the bottom and top boards that have been cut the width of the mirror.  The thin trim I used was PVC so using ProBond Advanced was my adhesive pick — ProBond Advanced is the only multi-surface adhesive that bonds a variety of Mixed Materials and gives me control of where the glue goes and where it stays when drying.

Trimming Bathroom Mirror 6 @ItsOverflowing.com

ProBond Advanced combined heavy-duty strength with ease of use.  I sanded the edges, added glue, then clamped.

Trimming Bathroom Mirror 7 @ItsOverflowing.com

The crown molding I chose for the top of my mirror was a wood trim so I used Elmer’s Wood Glue, followed by a couple brad nails with my air gun, clamped, and let dry!

Trimming Bathroom Mirror 8 @ItsOverflowing.com

With my top and bottom pieces ready to go, it was the moment of truth!!!  I used my ProBond Advanced again to adhere the bottom piece to the mirror!

Trimming Bathroom Mirror 9 @ItsOverflowing.com

When I pressed the trim against the mirror, there was a little excess that I could easily wipe away.  Elmer’s ProBond Advanced doesn’t leave behind messy foamy residue.

Elmers ProBond Advanced @ItsOverflowing

Because clamping wasn’t possible, we did the old fashion — lean a bunch of book method to give the glue time to dry!!!

Elmers ProBond Advanced 2 @ItsOverflowing

After the bottom was braced securely, we held up the top trim and measured the distance between the bottom of the top piece and the top of the bottom piece.  This measurement let us know how long to cut the two side boards.  I used more ProBond Advanced to adhere the side pieces — and more leaning books to hold them in place while drying.  When completely dry, I added the top piece.  The top piece had the two sides to lean on which helped the process — books weren’t going to lean that high up!!!  Stud and I both took turns holding the top piece in place until it began to adhere.  Once in place, we gave the molding a night of rest and then showed up for a photoshoot in the morning!  We are LOVING this trim!

Elmers ProBond Advanced 2 @ItsOverflowing

I was surprised how easy this process was — took a day (and a night to fully dry).  In the morning, we caulked around all the edges and the results have left us walking around the house again looking for more walls and mirrors screaming for trim!  I’ve become a little obsessed!

Elmers ProBond Advanced 3 @ItsOverflowing

*** Important to mention, make sure all boards are painted–

front and back before attaching to the mirror. ***

How to Trim a Mirror @ItsOverflowing.com

How would you use Elmer’s ProBond Advanced!?!  Check out Elmer’s Mixed Materials Pinterest board to find lots more DIY Ideas!!!


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  1. Mary-Louise says:

    I love the fact that you incorporated crown molding to the top edge of the mirror! This provided a truly awsome completion to the project. I’m taking measurements and heading out to my “go to store”.

    Thank you for being my driving force and providing me with the look I’ve wanted but didn’t know how to proceed.

    • Thank you so much Mary-Louise! Happy Mirror-Making! XO, Aimee

  2. Unless a mirror covers the entire wall, it generally looks better with a frame as yours so perfectly illustrates. Good thinking to add it and make the mirror more finished.

  3. Thanks for linking up to Tip Me Tuesday linky party this week Aimee. {knuckle bumps} Did you know that I can “lend” your blog posts my Google page rank for better search engine traffic? {fabulous} If you upload at least 2 images, 2 steps, and blog post URL into your Tip Junkie craft room, you’ll be in business! {wink} ~ Laurie {a.k.a. the Tip Junkie}

  4. KATIE says:

    Did you have those little metal brackets at the top and bottom of your mirror? If so, what did you do to them to get the trim to place over top of them or did you remove them?

    Thank you and you are awesome!!

    • I didn’t on this mirror, but the other does – I’ll let you know when I tackle it!!! I have some ideas but not sure what will work yet! XO, Aimee

  5. Cindy says:

    Love it! Our mirrors are the same, and the silvering along bottom edges have been messed up by water. This trim would hide that. Yep, this can work!

  6. Looks awesome!

  7. Love the trim around the mirror….thank you for sharing this project!

  8. valarie says:

    once again you hit it out of the ballpark Aimee!

  9. great job, and thanks for all the glue tips, I love a reliable glue!

  10. Teresa says:

    I love this and I have the perfect mirror too.

  11. I love the look of the new trim to your mirror! Very Nice!