Learn how easy it is to create beautiful waterproof painted glass, glassware, vases, mason jars and bottles to compliment your home decor.
Hello, Kenarry readers! I’m Pam from The Birch Cottage, and I’m back again this month sharing with you another easy DIY project. This time, I’m not talking about how to spray paint glass vases or even how to paint terra cotta pots, but rather how to create beautiful, custom colored and WATERPROOF painted glass, glassware, mason jars and bottles. Did you catch the waterproof part? Because that’s the key to today’s tutorial.
Speaking of painting glass, I can’t believe it’s been three years since I shared how to spray paint glass vases right here on Kenarry. Believe it or not, ever since then, I’ve really wanted to figure out how to paint the glass on the inside of the vase so that the paint is waterproof. I just really like that look, don’t you? You know where you see the beautiful color on the inside of the glass but the outside is crystal clear – just like glass? So, today, dear reader, that’s exactly what we’re going to do!
I gotta tell you though, I have tried other methods of painting waterproof glass – all without success. Today’s technique is one that I’ve tried and have just literally been amazed and beyond pleased with the results.
How to Create Waterproof Custom Painted Glass
Although this project takes a little time because you have to let the paint dry overnight, it really couldn’t be easier! There are just a few supplies you’ll need to create waterproof custom painted glass. Let’s take a look…
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The entire tutorial is in a printable card at the bottom of this post. But first, here is a little bit of info about the tools and supplies you’ll need.
- Glassware: Use any type of container you have laying around, such as jars, mason jars, vases, etc.
- Acrylic craft paint: Pick out the color of your choice
- Acetone-based nail polish remover: This is what keeps the paint waterproof, so don’t skip this ingredient.
- Plastic cup: I prefer to use a plastic cup I can throw away since this is where you’ll be mixing the paint with the nail polish remover. If you have a reusable cup that you save for crafts, use that instead.
- Wood or plastic stirrer: Use any type of item that you want to stir your paint with. It can even be an old butter knife.
- Paper towels: You’ll dry the jar on the paper towel, but you can also use a brown paper bag or even old newspapers for this step.
- Parchment paper or aluminum foil: You just need something to protect your cookie sheet when you store your jar in the cold oven.
- Cookie sheet: Any size will work.
Waterproof painted glass tips
Before we get to the tutorial, here are a few tips I wanted to share, along with some helpful in-process photos too!
Use Any type of container you want to mix the paint
When you are mixing the acetone nail polish remover with the acrylic craft paint, you can use a plastic cup, plastic tub, or even mix it right in your jar. If you choose to mix it in your jar, just make sure your stirring stick can reach the bottom.
Swirl the paint around in your jar
This is the fun part!
Pour mixture into the glassware and swirl it around to coat the inside of the glass. (Make sure you protect your work space.) Tilt and roll the glass around with your hands until you have the entire inside coated with paint.
Dry it upside-down
Let your painted glassware dry upside down on a paper towel. This will allow the excess paint to drain out. Then place upright and allow to dry overnight or for at least 24 hours to be sure the paint has completely dried.
Cure the Paint in a cold oven
This is where the magic happens and turns your ordinary painted glassware into waterproof painted glass.
Simply place your painted glassware on a parchment paper or aluminum foil lined cookie sheet and place in a COLD oven. TO AVOID BREAKAGE, DO NOT PLACE GLASS IN A PREHEATED OR HOT OVEN! Set oven temp to 350⁰F. Once the temperature reaches 350, allow the glassware to bake for 30 minutes.
And there you have your beautiful, expensive looking, custom, gorgeous waterproof painted glassware!
Here are a few tips to keep in mind for your waterproof painted glass projects:
- For best results, wait 72 hours before washing or adding water to the painted glassware.
- Painted glassware can be safely washed in the dishwasher, but washing by hand in warm soapy water is recommended in order to extend the life of your project.
- Do not use painted glassware in a microwave.
- You can use pure acetone, but I found I had better results with acetone based nail polish remover than the pure acetone.
- You can also use the air-dry method to cure painted glass. The paint is naturally cured after 21 days; however, air-dried painted glass is not dishwasher safe.
Waterproof Painted glass tutorial
Here’s the printable card with everything you need to know about how to create stunning painted jars that are also waterproof.
How To Create Waterproof Painted Glass
- Plastic cup
- Wood or plastic stirrer
- Paper towels
- Parchment Paper
- 1 tbsp Acrylic craft paint
- 1 tbsp acetone nail polish remover
- Combine 1 tbsp of acetone nail polish remover with 1 tbsp acrylic craft paint in a plastic cup. Use a wood or plastic stirrer to mix well. You can also pour the acetone and paint directly into the glassware, assuming your stirrer can reach the bottom of your vessel.
- Let your painted glassware dry upside down on a paper towel for about 20 minutes. This will allow the excess paint to drain out. Then place upright and allow to dry overnight or for at least 24 hours to be sure the paint has completely dried.
- Place your painted glassware on a parchment paper or aluminum foil-lined cookie sheet and place in a cold oven. To avoid breakage, do not place glass in a preheated or hot oven! Set oven temp to 350⁰F. Once the temperature reaches 350, allow the glassware to bake for 30 minutes.
- After 30 minutes, turn the oven off and let the glass cool completely before removing from the oven.
I was really pleased with how this paint technique turned out. I think there’s just something almost glamorous and expensive about the look of the glass when it’s painted on the inside. Plus, having the glassware be waterproof is definitely worth the extra steps!
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