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DIY Concrete Coasters Tutorial

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This post shares a tutorial for DIY concrete coasters.

DIY Concrete Coasters Tutorial

I’m not sure I’ve shared it on here yet, but my husband and I recently bought our first home. It’s a lovely little townhouse, and we’re SO excited about it! But since we’re moving from an apartment to a townhouse and we’re first-time homeowners, we have a long list of projects on our radar.

I can’t say that getting new coasters was high on the list, but alas, I went and made new coasters. We’ve had these cork coasters for years, but they always stick to your drink, which is kind of annoying.

DIY concrete coasters

One night, my husband said we should get new coasters. I immediately remembered some lovely concrete coasters I had seen on Etsy. But you know I am hard headed and am not going to pay $35.99 + $23.24 in shipping for six coasters. No way. Guys, you can get 10 pounds of concrete for like, 10 dollars. So the next morning, that’s exactly what I did.

The process was actually pretty easy, but I suggest doing a test coaster first to ensure you have the right measurements and are comfortable working with concrete. Not all of my coasters turned out perfectly, either. But that’s okay. There were only a few duds, and the materials are so cheap that it’s totally fine.

DIY concrete coasters

Here’s what I used:

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  • Concrete mix, water, mixing bowl, measuring spoons, and something to stir with—I suggest popping into a home improvement store to buy your concrete mix because it’s cheaper. I used Cement All Multi-Purpose
  • Plastic cup that is the circumference of your desired coaster size—I used 1-quart plastic paint mixing cups, which you can find at most big-box hardware stores.
  • Fine sandpaper—I used 220 grit (assorted mix here)
  • Kitchen oil and paper towel
  • Felt and multipurpose glue—I actually used Aleene’s Fabric Fusion Permanent Adhesive, and it worked very well
  • Optional: Americana Matte Acrylic Spray

And here’s how I made my DIY concrete coasters.

Step 1: Prep (because concrete sets fast)

Grab any kitchen oil and a paper towel. Give the inside of the bottom of your cups a light coating. This makes your coasters pop out super easily when they are done setting up. Then decide how many coasters you want to pour at one time.

It’s important to know how many coasters you will pour at a time because the concrete sets up quickly and you need to have a good estimate of how much to make. To keep costs down, I decided to pour only two coasters at once and make them gradually—I didn’t want to buy a ton of the 1-quart paint mixing cups.

Step 2: Mix your concrete

The concrete I used is a ready-to-go powder that just requires water. The ratio of powder to water is 1 tbsp water for every 4 tbsps of powder. After doing a test coaster, I estimated that each coaster would need about 6 tbsps of powder (that means 1.5 tbsps of water). Since I poured two at a time, I mixed up 12 tbsps of powder (3 tbsps of water).

mixing concrete in a paper bowl

Mixing tip: Pour the water into your mixing bowl first, and then add the powder in scoops, stirring as you add it. You should end up with the consistency of wet sand. And I’m not kidding—this stuff sets up FAST, so work efficiently!

Step 3: Pour the concrete

Pour the mixture into your molds. Then, pick up each cup and “drop” it from about 2 inches high. This will help the mixture settle completely to ensure it dries evenly and with as few air bubbles as possible.

You can also take any sort of utensil and tap the outside of the cup. This will further help the air bobbles to pop.

DIY concrete coasters

Step 4: Let dry

Let the coasters dry. I gave mine about an hour before I popped them out, then I let them sit overnight before using sandpaper to smooth out or round edges where necessary.

DIY concrete coasters
finished DIY concrete coasters

Step 5: Add furniture protection

Cut out felt circles that are just a bit smaller than your coasters. Use your multipurpose glue to glue them on—this will help protect your furniture!

adding felt furniture protectors
adding felt furniture protectors

…and voila! Here are the finished coasters. I ended up going with a set of five. If you want to keep these plain, I suggest giving them a few coats of matte acrylic adhesive. I used Americana Matte Acrylic Spray.

DIY concrete coasters
DIY concrete coasters
DIY concrete coasters
DIY concrete coasters

IF YOU LIKE THIS PROJECT…

If you like this project, check out my epoxy resin paint pour art tutorial, my DIY photo ledge shelves, 15 chic decorating ideas using spray paint, and my stainless steel bowl hanging planter.

Share my DIY concrete coasters tutorial on Pinterest!

diy concrete coasters
Yield: 5 Concrete Coasters

DIY Concrete Coasters

Why pay 40+ for concrete coasters online when you can buy a bag of concrete for $10 at your local hardware store? Learn how to make concrete coasters to add a chic touch to any room in your house.

How to make your own DIY concrete coasters, and save a ton of money while doing it! These coasters will add a chic touch to any room.

Materials

Tools

Instructions

    1. Grab any kitchen oil and a paper towel. Give the inside of the bottom of your cups a light coating. Decide how many coasters you want to pour at one time.
    2. Mix your concrete according to manufacturer's instructions. Pour the water into your mixing bowl first, and then add the powder in scoops, stirring as you add it. You should end up with the consistency of wet sand. And I’m not kidding—this stuff sets up FAST, so work efficiently!
    3. Pour the mixture into your molds. Then, pick up each cup and “drop” it from about 2 inches high. This will help the mixture settle completely to ensure it dries evenly and with as few air bubbles as possible. You can also take any sort of utensil and tap the outside of the cup. This will further help the air bobbles to pop.
    4. Let the coasters dry. Give them about an hour before popping them out.
    5. Let them sit overnight before using sandpaper to smooth out or round edges where necessary.
    6. Cut out felt circles that are just a bit smaller than your coasters. Use your multipurpose glue to glue them on—this will help protect your furniture!
    7. Spray with matte finishing spray if you are going to leave them plain.
    8. That's it!

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aishwariya

Thursday 22nd of February 2018

hi... i was trying to make the coasters... my coasters turned out to dusty.. how do i prevent the dustiness of it? do you have any tips on that? how do i make the coasters not powdery?

Elizabeth

Sunday 3rd of December 2017

How did you get the color so light? Mine turned out a very sidewalk gray. Any tips would be appreciated -- thank you!

Holly B.

Saturday 7th of January 2017

Turned out very cute! These would be such a great gift idea.

Michelle

Wednesday 4th of January 2017

They look great Brittany. I've just started playing with concrete and it's quite addictive and way easier than I though. I can't believe I was scared to try for so long.

Brittany Goldwyn

Wednesday 4th of January 2017

Thanks Michelle! And same...I made a concrete letter after this that I'll share soon too!

Angie @ ambient wares

Thursday 25th of August 2016

So that's what the felt was for! Awesome, I love working with concrete although I don't do it near enough.

Brittany Merth

Thursday 25th of August 2016

Yes! :) I just started and am hooked...I am thinking about making a coat rack with a concrete base to use up the rest of my bag!

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