"Design Happens"

Erin Loechner

Featured Blogger for Design Happens

Dec 29

Our DIY Sauna

I mentioned a few posts ago that my husband has always wanted a sauna. And I have to admit, the thought of a sauna in my house seemed really pretentious at first. Picturing giant glass doors, steam rooms and white subway tiles made me a tad queasy, especially when I thought of the price tag.

Then I spotted a few photographs of old, authentic Finnish saunas (like the one above at Hotel Alaska), and boom: My heart was won over.

We’re building the most DIY sauna possible, a super-inexpensive, cedar-lined sauna with a teeny little heater and wooden bench. It’s tiny, but just our size, and building it was so much easier than I had ever imagined.

Here’s how we did it:

1. After plumbing your space properly, install a basic liner for the shower floor.

2. Insulate the space, adding a vapor barrier to ensure a mold-free zone.

3. Mix, pour and trowel concrete. I think husband installed a few rebars in the floor at this point, but I was too busy mixing concrete with a hoe to notice. Yes, I mixed concrete with a hoe. My father would be so proud.

Note: To ensure the water drains properly, we troweled a 2-inch slope around the drain.


4. Let concrete stand for 10-12 hours, then caulk and prep walls for cedar paneling.

5. Install cedar paneling (tongue and groove works just fine) and admire your handiwork.

We still have some finishing touches to add (we ran out of cedar!) on the remaining walls including trim, a custom bench and, of course, the sauna heater, but it’s looking good at the moment. Who knew a sauna could sound so luxurious, but be so easy to do yourself?

Raise your hand if you’ll be tackling this job in 2011. I double dog dare you!

Posted at 2:00 pm

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  • 12 Comments

12 Comments

  1. Oh my goodness ! as much as I would love to have a sauna in my home there's no room for it, can this be done outside in a storage room maybe?

    pixelecho69 on December 29, 2010 at 7:37 PM
  2. I thought this was a totally 80's project? I have clients with a new-to-them house and one of their first projects is taking out their sauna. HUH!

    Tonja Morris on December 30, 2010 at 11:01 AM
    • haha :) well they're missing out!

      LandscapeFever on January 16, 2011 at 7:32 PM
  3. Wow! You guys inspire me! I never would have thought that you could DIY half the stuff you guys have done. It sure opens the door of possibility. I can't wait to see your finished house, it's going to be AMAZING!

    RemStone on December 30, 2010 at 11:55 AM
  4. I love this! I would love a sauna, but we are in a flat right now…..as soon as we move to a place that is ours, I am doing this project myself! Thanks, you make it seem quite idiot-proof!

    Natalia on December 30, 2010 at 12:48 PM
  5. i love this house

    ricky on January 2, 2011 at 3:56 PM
  6. It's projects like this that remind me why I want to own my own home.

    @nycbound1984 on January 10, 2011 at 10:25 PM
  7. We're building a new house on a lake and plan on having a sauna incorporated in the design. We're in Finland now and hope to pick up a stove to bring home.

    Barbara on March 21, 2011 at 3:24 AM
  8. you can get pre-cut kits custom built for your room size. See some examples here: http://www.saunasandstuff.com/traditional-saunas/…

    mike on May 20, 2011 at 9:31 PM
  9. i would like to buy that… when i can buy… thanks.

    tatiana on June 2, 2011 at 5:40 PM
  10. Great job! I'm also planning to build a sauna in my bathroom, something like this http://www.finlandphilosophy.com/en/prod-140-1634…
    …it feels like a real treat, to have a hot steam bath after a long working day.

    angie on March 5, 2012 at 9:46 AM
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