Often asked: How To Make Wooden Coasters?

How do you waterproof wooden coasters?

While Mod Podge is a great start to waterproofing a coaster, it’s not perfect. To finish everything off, add a layer of clear acrylic gloss spray to your coaster. The extra layer will help solidify everything to keep out liquid. After the layer dries, you can use the coaster for anything from water to alcohol.

What is the best finish for wooden drink coasters?

Question: What is the best finish for wooden drink coasters? Answer: Polyurethane or spar varnish. Use 2-3 coats of each over your wooden coaster. In terms of waterproofing, these two are the best.

What type of wood is used for coasters?

You can choose any type of wood you want. Softwoods like fir, cedar, and pine often result in a rustic look, while hardwoods like alder, beech, hickory, mahogany, maple, and oak will look more refined, and may be more durable. Look for logs that are reasonably straight, at least a foot long, and 3.5–4” in diameter.

How do you seal painted wood coasters?


  1. Paint the coaster. Cover your work surface and put on your gloves.
  2. Coat it with a clear sealant spray. Coat the coaster with a layer of clear sealant spray paint.
  3. Seal the coaster again. Coat the coaster with a layer of clear sealant spray paint to waterproof it.
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How do you seal real wood coasters?


  1. Slice branches into 1/2″ thick pieces with the handsaw. Try to keep the slices as even and straight as possible.
  2. Sand each wood slice down using the heavy grit paper first, then the fine grit to smooth it out. Don’t sand the bark.
  3. Wipe clean, then coat the front, back, and sides with a clear varnish.

How do you waterproof paper coasters?

You’re going to want to coat the image and coaster with at least three coats of Mod Podge, allowing it to dry for 15 minutes (or until clear) between coats. Once the final coat has dried, spray all of the coasters with a clear acrylic gloss spray, which ensures that they’re waterproof/drink proof.

What’s the best way to waterproof wood?

There are three surefire ways to waterproof your wood for years to come.

  1. Use linseed or Tung oil to create a beautiful and protective hand-rubbed finish.
  2. Seal the wood with coating of polyurethane, varnish, or lacquer.
  3. Finish and waterproof wood simultaneously with a stain-sealant combo.

How do you seal homemade coasters?

Apply 2 coats of a clear spray sealer to the coasters to seal and waterproof them. Make sure to do this in a well ventilated area. Spray the top, sides, and bottom side. Let the sealer dry for 20 minutes or so.

How thick should wooden coasters be?

To clean up the machine marks on the surface, as well as to create an even thickness, I took several passes through the planer. This brought the wood down to just under 5/8” thick. Anything between 3/8” up to 3/4” would work great for coasters.

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What do you seal coasters with?

We used Mod Podge with a Gloss finish to seal and coat the vinyl on these DIY ceramic coasters. In this case the Mod Podge’s main job is to seal the vinyl to the tile so it doesn’t easily peel off with wear and tear. You might want to do 2-3 layers of Mod Podge for the best result.

How do you make coasters heat resistant?

Finally seal your coasters with two or three coats of acrylic spray or varnish, or you could try using a clear engine lacquer which is heat resistant and helps stop hot mugs from sticking. You might find you need to ‘cure’ them for a week or two to stop them being tacky when used.

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