Weatherproofing My Garden Mirror

I found this old mirror hiding out under stacks of junk at The Scrap Exchange here in Durham, NC. Basically if it’s found under stacks of junk I’m going to buy it. I can’t help it. Somethings are just out of my control.

And for just $8 it was perfect for my garden.


But it’s not meant to be outdoors, you know enduring our daily thunderstorms that we seem to have every afternoon here in NC. So I had to figure out a way to weatherproof my garden mirror.


I really wasn’t sure how to treat the mirror. Everything I found was for interior use only. Bummer.

But as I was about to leave Lowes I found something called Flexible Sealer (in the spray paint area). It’s meant to seal tiny outdoor leaks like on your downspout. It’s a liquid rubberized coating that fills any small cracks or holes. It dries clear and is paintable.

Sounded like what I was looking for.

It was worth a shot.


I sprayed it on and let it dry. I love anything you can just spray on.

It was perfect for getting in all those little nail holes, dents, and scratches that this old chippy mirror had.


Not really sure how the mirror will hold up through the rain. But we’ll find out. I’m totally cool with this mirror eventually falling apart (it’s mean for indoor use only so I know it won’t last forever). But I hope that the Flexible Sealer just gives the mirror a slightly longer life.


Since birds love checking themselves out I hung it above our bird bath. And within minutes of hanging it I caught a cardinal flirting with himself in the mirror.


Have you found a product to use on outdoor projects like this? I’d love to know. I had no clue with this one. I’m just hoping it works.

20 thoughts on “Weatherproofing My Garden Mirror

  1. What r u talking about?
    And the original post is an old one.
    Only interested in new posts, thx.

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  3. To keep the mirror from getting water spots from the rain, I’d wipe the mirror with a water repellent, like something they use at the car wash that makes the water bead off your windshield/car. Just a thought. Good luck!
    Bonnie L Rieger
    Saint Peter, MN

  4. I would take the mirror out of the frame and spray the black back of the mirror and then spray the frame, then put it back together.Then spray the hole back of frame. I would leave the front of the mirror alone. You might have to clean hard water deposits off mirrors sometimes. Use flex seal it comes in clear and black in Walmart. You can also order it in colors.

  5. Today is the end of 2015 How has that mirror held up? Looks great in the photo. I would love to do this, have lots of old windows and mirrors, and the idea of the marine products is an excellent idea. Thank You for all the wonderful information.

  6. While not a terrible idea, would be better to build a small roof shelter/cover above on the fence to protect the mirror frame from water dropping directly onto it.
    Water is just so insidious, and will soak into the wood thru any pin hole, rusting out the nails holding it all together.

  7. Did that home armor spray leave the mirror foggy? I had used rustoleum 2X ultra cover gloss clear on my indoor mirror to be used in the garden. Before I applied it I called the company and got an affirmative that it would work for my need. Followed all their directions and it left the mirror foggy and useless. Am concerned about that happening again. Thx.

  8. Curious to know how it has held up. I am wanting to put a mirror outside, but we get a ton if rain up here in the Pacific Northwest.

    I’m also curious as to how well the actual mirror does in weather (not just the frame part). I need to hang one for security reasons (and a pretty one so it looks like it’s just supposed to be there) so I’d love to know if it’s too dirty to see true reflection after a few rain storms. :)

    Awesome idea! Thanks for posting!

    • Hi Melody sorry it took me so long to get back to you. The mirror itself has held up great. I was totally concerned that it would get dirty but it doesn’t at all. It’s been hanging outside for over a year and I’ve never cleaned it. As for the frame it’s held up fine, although I think it will only last another year or two (we get lots and lots of rain here, but no snow). Anyways I’ve heard that you can buy marine grade polyurethane (maybe at a regular hardware store, I haven’t bought any myself). It’s used on boats so obviously very water proof. If I was to hang something like this again I would look for this marine grade poly.

  9. cool! I have a mirror I’d like to use outdoors – never thought of sealing it though. I was just going to heave it out and leave it there.

    Thanks for the tip!

  10. I love the $8 mirror!!! And the sealer….I never knew it existed either! My head is spinning on what I could spray it on!!! Please repost your findings after a few rainstorms…anxious to see if it works too.
    I came on over from Blogtalk….going to share this now…THANKS

    • At the end of the summer I’ll do a follow up. So far we’ve had lots of rain and it’s still looks great, but it’s only been a couple of weeks. So we’ll see.

  11. Danielle, I love a mirror in the garden I think it should work. I want to put art outside as well and might try this on a small piece first, Bravo!

    2013 Artists Series

  12. What a fun idea – hadn’t thought of using a mirror in the garden. Found you through Funky Junk Interiors link party.

    • Sally I just sprayed the frame on the front (not the actual mirror). I just put a piece of cardboard overtop of the mirror when I sprayed it. Hope that helps.

  13. Good tip Danielle! I love a mirror in the garden. I wonder if a varathane for exteriors would work… But would possibly have to be brushed on? I hope it holds up well for you because that mirror adds such charm!

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