Can Air Dry Clay Be Waterproofed?

Last update on Jul 22, 2024 by Pedram Kashani.
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Air dry clay is the craft hero – it's easy to use, kind on the wallet, and lets you create all sorts of awesome projects. But what if your masterpiece must survive a surprise spill or a rogue sprinkler? Can air-dry clay hold its own against water?

Is air dry clay waterproof on its own?

The bad news is that dry air dry clay has high porosity, similar to a sponge, with tiny holes that soak moisture. This porosity can make your creation soften, crack, or even crumble over time.

  • Softie alert! The clay will absorb water, turning soft and potentially losing shape.
  • Crack attack! Uneven drying can cause cracks, ruining that smooth finish you worked so hard on.
  • Disintegration disaster! With too much water exposure, your clay creation might just break down completely.

What happens to air dry clay when it gets wet?

While air dry clay won't become a champion swimmer, you can make it water-resistant! This means your project can handle splashes, light rain, and the occasional damp day.

Here's how to turn your air dry clay into a water-resistant wonder:

  • Seal the deal! Sealers create a protective layer on the clay's surface, pushing water away.
  • Varnish it up! Varnishes give you a clear, glossy finish and good water resistance. Look for acrylic or polyurethane varnishes made for crafts.
  • DIY water warrior: Mix equal parts PVA glue and water for a water-resistant barrier. This option gives you a matte finish.

Can you make air dry clay water resistant?

The best sealer for your clay creation depends on your desired look and how much water resistance you need. Here's a quick rundown of popular choices:

  • Acrylic sealer: This gives you a clear, glossy finish and good water resistance. It dries fast and is a breeze to apply.
  • Polyurethane sealer: Want something super tough? Polyurethane sealer offers excellent water resistance and a more durable finish than acrylic sealers. You can even get it in gloss or matte!

What are the best sealers for air dry clay?

Before you get sealing happy, ensure your air dry clay project is completely dry and dust-free. Here's how to do it like a pro:

  1. Clean up crew! Use a damp cloth to wipe away any dust or debris. Let the clay dry completely before moving on.
  2. Pick your weapon! Choose acrylic sealer for a glossy finish or polyurethane sealer for extra water resistance.
  3. Thin coats are your friend! Apply several thin coats instead of one thick layer. This lets everything dry evenly and stops the sealer from cracking.
  4. Patience is a virtue! Let each coat dry completely before applying the next. Check the sealer's instructions for drying times.
  5. More is more (sometimes)! For projects that might face more moisture, apply 2-3 coats of sealer for extra protection.

How to apply sealer to air dry clay

While sealing can seriously extend the life of your air dry clay creation, it's not a magic shield. Sealed air-dry clay is still best for indoors or sheltered outdoor spots. Here are some things to keep in mind:

  • Sealant to the rescue: A coat of sealant acts like a shield, protecting your creation from:
    • Dust bunnies and dirt monsters
    • Minor bumps and scrapes (think of it as a tiny force field)
  • What sealant can't do: Even with a sealant, your air dry clay friend is still happiest indoors or under some cover. It's not exactly waterproof, so avoid leaving it out in the rain or taking it for a dip in the pool.
  • Thinking long-term outdoor art?: If you're dreaming of creating a masterpiece for the great outdoors, different materials might be a better fit:
    • Polymer clay: This clay needs some baking time, but once cured, it becomes super water-resistant, perfect for handling the elements.
    • Fired ceramics: Think of ultimate durability! Firing clay in a kiln creates a truly waterproof and weatherproof material – perfect for those outdoor art dreams.

Will sealing make your air dry clay artwork last forever?

While sealing can seriously extend the life of your air clay creation, it's not a magic shield. Sealed air-dry clay is still best for indoors or sheltered outdoor spots. Here are some things to keep in mind:

  • Sealed air-dry clay is happiest inside or in a covered outdoor area.
  • Don't dunk your sealed project in a pool – prolonged water exposure is still a no-go.
  • For permanent outdoor art, consider using polymer clay or fired ceramics – these are the real waterproof champions.

Alternatives to air dry clay for outdoor use

If you're dreaming of creating a permanent outdoor masterpiece, here are some alternatives to air dry clay:

  • Polymer clay: Once appropriately cured, this oven-bake clay becomes waterproof and super strong.
  • Fired ceramics: The ultimate long-lasting option is traditional clay fired in a kiln. This creates a piece that's completely waterproof and weatherproof.

Keeping your air dry clay creations safe

Air-dry clay might not be waterproof, but with some sealing magic, you can make it water-resistant and enjoy your creations for longer. Sealing with acrylic or polyurethane sealers is an excellent option for indoor projects or sheltered outdoor displays.

Explore alternative materials like polymer clay or fired ceramics for truly waterproof and weatherproof pieces.

Create lasting masterpieces at Diana Ceramics

Calling all Melbourne crafters! Unleash your inner artist and create beautiful, lasting ceramic masterpieces with Diana Ceramics. They offer fun ceramic painting workshops perfect for all skill levels. Whether you're a seasoned clay pro or a complete newbie, Diana Ceramics has something for everyone. Their friendly instructors will guide you through the process, step-by-step, so you can walk away with a one-of-a-kind ceramic creation that you'll be proud to display (or gift!). Plus, it's a fantastic way to spend an afternoon with friends or unleash your creativity on a solo adventure.

So, ditch the worries about masterpieces dissolving in the next downpour. With air dried clay waterproofing magic and a workshop at Diana Ceramics, you can create art that lasts—and maybe even discover your new favourite hobby!