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The Making of a Giant Rustic Key from Faux Metal

Have you seen those beautiful giant keys? Please tell me you have. They’ve been popping up on Pinterest and just last week, my favorite blogging couple over at the Navage Patch, shared how they made some for themselves. So clever, but with my limited wood working skills there was just no ways I could make something so gorgeous. And I really, really wanted one. A lot!! So I had to make another plan. If I couldn’t make a wooden one then maybe I could make this giant rustic faux metal key instead.

How to make a giant faux metal key using expanding foam. Full tutorial on the blog

Our giant faux metal rustic key

Our faux metal key is about 50 cm long, or 20″ for my American friends and it was one of those projects that really frustrated me at times, but I am so happy with how it turned out. If you’d like to make one all you need is some cardboard, paint, coarse sea salt, nutmeg and expanding foam. That stuff you use to fill gaps with. Any brand will do.

How to make a giant faux metal key using expanding foam. Full tutorial on the blog

All you need

I found this basic key on the Graphic Fairy and used it to create a template for our key.

How to make a giant faux metal key using expanding foam. Full tutorial on the blog

Cut a key template

I considered going for something a little more intricate, but I think this technique is more suited to something simpler. Once the key template has been cut out of the cardboard, grab some of that expanding foam and spray it all over the cardboard key, and wait for it to dry completely.

How to make a giant faux metal key using expanding foam. Full tutorial on the blog

Spray on the foam

Ours took about a day. When it’s dry, use a craft knife to carve out the key shape. Start off by just cutting away large chunks of the foam and then whittle away the rest, little bits at a time. I promise it’s easier than it sounds and I found it very therapeutic.

How to make a giant faux metal key using expanding foam. Full tutorial on the blog

Carving the foam

Don’t worry to much if there are gaps or air bubbles in the foam, it will add to the faux metal effect later.

How to make a giant faux metal key using expanding foam. Full tutorial on the blog

Gesso to smooth out the ridges

We used some Gesso to smooth out any rough edges, but if your carving skills are better than mine, it’s probably not necessary. Gesso is the stuff artists normally use to seal their canvas before painting and you’ll find it at most craft stores. Paint the key in a copper brown color. You can use acrylic paints or spray paint, whatever you have in your craft cupboard. Once the paint is dry, spritz the key with water and then randomly sprinkle some coarse sea salt all over the key. The sea salt melts and creates a barrier for the next layer of paint. Wait a few minutes for most of the water to evaporate and then spray the key a deeper darker brown.

How to make a giant faux metal key using expanding foam. Full tutorial on the blog

Add some salt

When the paint is dry, just brush the salt off and you’re left with this gorgeous pitted effect.

How to make a giant faux metal key using expanding foam. Full tutorial on the blog

Beautiful pitted effect

Now for the nutmeg. Bet you were wondering what on earth that had to do with the whole equation 😉

Add little dabs of glue or matt mod podge and sprinkle the nutmeg all over the key to create some yummy delicious rusty awesomeness.

How to make a giant faux metal key using expanding foam. Full tutorial on the blog

Spice it up

Be generous with the nutmeg, especially in the air bubbles. That’s where rust would naturally form if the giant faux metal key had been lying in the rain and snow.

How to make a giant faux metal key using expanding foam. Full tutorial on the blog

Pin me please

And as they say in the classics, dat’s all folks. Or maybe it should be fee fi fo fum, I think I’m done 😉 What do you think of the giant rustic faux metal key? Would you add something like this to your decor? I’d really love to hearfrom you, comments always make my day.

Wishing you all a beautiful, loving week xoxoxoxoxooxoxoxxxooo

Made with love by a Crafty Mix

Categories:   DIY Crafty Tutorials, Home Decor Crafts

Comments

  • Posted: February 15, 2017 04:29

    Natasha

    So cool! I was wondering it it would be possible to make a large key because I wanted one as a photo prop. Thank you!
    • Posted: February 15, 2017 05:58

      acraftymix

      Thanks so much Natasha. This one is quite big, about 50 cm long, if I remember correctly. How big does your key need to be?
  • Posted: February 13, 2017 10:13

    Danielle Le Chat

    Michelle! This is amazing! I had no idea you could use spray on foam to carve things! Now my DIY senses are tingling :) Lovely tutorial - and so smart with the nutmeg! Lots of love, D x
    • Posted: February 13, 2017 13:25

      acraftymix

      Hello Dani, how you doing? I'm so glad you like it, that spray foam is amazing. I need to scratch around in hubby's garage more often ;-)
  • Posted: February 13, 2017 01:52

    Chasey

    How weatherproof is the key after you have applied the nutmeg? Im thinking some glues and podge may not be entirely waterproof?
    • Posted: February 13, 2017 07:20

      acraftymix

      Great question Chasey. We had a huge thunderstorm last week and the key blew off the wall (expanding foam is really light) and ended up in the garden. The paint, the nutmeg, the mod podge all held up and our key is back on the wall. You can apply a clear matt outdoor varnish over the key if you're worried.
  • Posted: February 11, 2017 22:47

    Maya

    Wow! You've done a fantastic job with the key Michelle. I actually didn't know they were popular, though I must admit I love old(fashioned) / skeleton keys and use them quite often in my jewelry. Imitations, that is - not real keys :)
    • Posted: February 12, 2017 06:02

      acraftymix

      Thank you so much Maya. I've seen all the beautiful things you've made and I'm so envious of your crocheting skills. Your work is lovely
  • Posted: February 10, 2017 22:24

    jodie filogomo

    Wow...I didn't realize you could make your own key like that! It turned out fabulous!! jodie www.jtouchofstyle.com
    • Posted: February 11, 2017 07:14

      acraftymix

      Thanks so much Jodie
  • Posted: February 10, 2017 18:15

    Sara @ finditfixitorbuildit.com

    What an original and amazing idea! Love this!
    • Posted: February 11, 2017 07:12

      acraftymix

      Thank you so much Sara
  • Posted: February 10, 2017 13:29

    Pili

    Michelle no wonder why you won the first spot on the Best 2016 South African blog, this is amazingggg!! I'm speechless, it looks beyond awesome with that texture.
    • Posted: February 10, 2017 13:38

      acraftymix

      Ahhhhh Pili, thank you soooo very much. We're still sitting on Cloud nine right now about the award. It feels so unreal
  • Posted: February 9, 2017 16:15

    Ana@CelebratingSunshine

    That looks a-ma-zing! I especially like the texture and the color. So real! :-)
    • Posted: February 10, 2017 06:28

      acraftymix

      Thank you so much Ana
  • Posted: February 9, 2017 16:06

    Kellie

    That looks so real!
    • Posted: February 10, 2017 06:29

      acraftymix

      Thank you Kellie ;-)
  • Posted: February 9, 2017 15:25

    Kim

    This is very cool and super creative!
    • Posted: February 10, 2017 06:29

      acraftymix

      Thank you Kim :D
  • Posted: February 8, 2017 22:08

    Linda at Mixed Kreations

    This is so cool Michelle! You come up with such amazing ideas. I love the key, and I can't get over how real it looks. You did a fabulous job on it.
    • Posted: February 9, 2017 06:37

      acraftymix

      Thank you so much Linda, I really appreciate that :D
  • Posted: February 8, 2017 18:36

    Jas @All that's Jas

    You are a freak and I mean that in the most endearing way. How do you know the science behind it? Salt, nutmeg... I'm once again blown away.
    • Posted: February 9, 2017 06:38

      acraftymix

      LOL, Jas you just made my day. That's what happens when you can't cook, spices become something else entirely ;-)
  • Posted: February 7, 2017 14:51

    Gina

    I love how you made something gorgeous with such simple materials! I never would have thought that it was made from foam in those images. It looks gorgeous! And the nutmeg sure does spice it up. ;) Haha I love it!
    • Posted: February 7, 2017 15:48

      acraftymix

      Thank you Gina. It's the only way I know how to use nutmeg ;-)
  • Posted: February 7, 2017 13:41

    Julie

    Wow, that is SO cool! I would never have imagined that key was made the way you did it. I love you style and creativity! And your dogs are really awesome, too ;)
    • Posted: February 7, 2017 14:00

      acraftymix

      Awww you saw our fur babies. They are such a big part of our lives Julie. Thank you so much
  • Posted: February 7, 2017 09:29

    Sadhna Grover

    OMG how did you get this idea, it looks so real, I can't believe, it is made like this. It looks rustically great. The Copper brown colour is awesome. Great project dear.
    • Posted: February 7, 2017 09:50

      acraftymix

      Thank you so much Sadhna, I'm so glad how it turned out. Getting the right color was probably the hardest thing to do.
  • Posted: February 7, 2017 06:19

    Katrin

    Fabulous! that's what I say to all of your creations Michelle! It looks so real, it's crazy! I had no idea that that foam existed!
    • Posted: February 7, 2017 07:26

      acraftymix

      Thank you my friend. We use the foam quite often to patch or stop the leaks in our garage roof. It's amazing stuff. You should be able to get it at most hardware stores
  • Posted: February 7, 2017 03:44

    Annelize van Rooyen

    Stunning
    • Posted: February 7, 2017 07:27

      acraftymix

      Thank you Annelize ;-)
  • Posted: February 7, 2017 03:26

    Brooke of Passport Couture

    I haven't heard of spray foam, it looks like a fun product that can give you lots of fun crafty ideas! The texture of it really adds to the final look of the key.
    • Posted: February 7, 2017 07:29

      acraftymix

      Thank you so much and the nice thing about spray foam is that it's water proof too
  • Posted: February 7, 2017 01:27

    Angie ~ ambient wares

    YOU HAVE BLOWN MY MIND! I don't know what else to say Michelle...really, I'm speechless and you are the most clever person EVER!! Looks like it would weigh sooo much too ;) Beautiful!
    • Posted: February 7, 2017 07:31

      acraftymix

      Oh Angie, thank you so much :D The key is as light as a feather ;-)
  • Posted: February 6, 2017 20:30

    Mandy

    Wow, that looks stunning!
    • Posted: February 7, 2017 07:34

      acraftymix

      Thank you fwendsus :D
  • Posted: February 6, 2017 19:57

    Mary-the boondocks blog

    Michelle this is such an unusual decor item. Says the lady who has a whole bunch of keys hanging from her ceiling. I cannot believe you made this out of thin air! The imaginative places your mind goes. It looks rustically great of course. I have really come to appreciate rust in all its' glory and this key has tons of it. Great project and it should definitely be displayed.
    • Posted: February 7, 2017 07:34

      acraftymix

      LOL Mary, I was actually thinking of you while making the key. Long live rust!!!
  • Posted: February 6, 2017 15:16

    Keri

    What?!!!! Michelle, you never cease to amaze me!! Seriously this is so awesome! How did you even think to make a giant key like this? This key looks so awesome and so real! Wow!!!
    • Posted: February 7, 2017 07:41

      acraftymix

      Thank you so much Keri. I'm not really sure where the idea to use foam came from, but I had loads of fun making it :D
  • Posted: February 6, 2017 15:11

    Handan Navage

    Oh wow! That is just amazing! Seriously so amazing that now I want to make one like yours too!! :-D
    • Posted: February 7, 2017 07:42

      acraftymix

      Whoop, whoop and it's all your fault Handan. Those wooden keys that Greg made for you were super WOW
  • Posted: February 6, 2017 15:05

    Greg Navage

    Wow, that looks awesome! I like it better than my wooden ones! Great job, Michelle and Shaun!
    • Posted: February 7, 2017 07:43

      acraftymix

      LOL Greg, those wooden keys you made are awesome beyond.