How to Make Wood Coasters Waterproof

Wood coasters are a classic way to protect your furniture from water damage, but they can be difficult to keep waterproof. There are a few different ways to make wood coasters waterproof, and the best method will depend on the type of coaster you have and the amount of use it will get. If you have a coaster that is used frequently, you may want to consider sealing it with a clear coat of polyurethane or another sealant.

This will help to prevent water from seeping into the wood and causing damage. For less-used coasters, you can simply apply a layer of beeswax or another protective coating before each use. With proper care, your wood coasters should be able to withstand years of use while keeping your furniture safe from water damage.

How to make Waterproof Coasters | Waterproof Coasters

  • If you are using unfinished wood, sand the surface to create a smooth finish
  • Wipe down the wood with a damp cloth to remove any dust particles
  • Apply a thin layer of mod podge or other sealant evenly across the coaster
  • Allow the sealant to dry completely before using the coaster
  • If desired, you can apply a second coat of sealant for extra protection

How to Make Paper Coasters Waterproof

Making coasters waterproof is a simple process that only requires a few household supplies. First, gather your materials: paper coasters, clear packing tape, and scissors. Next, cut the packing tape into small strips and attach them to the back of each coaster.

Be sure to overlap the edges of the tape so that no water can seep through. Once all of the coasters are covered, trim off any excess tape with the scissors. That’s it!

Your paper coasters are now waterproof and ready to use. Waterproofing your coasters is a great way to protect your furniture from water damage. Whether you’re using them indoors or outdoors, these little guys will keep your surfaces safe from spills.

So next time you have a party or get together, be sure to bust out the waterproofed paper coasters!

How to Make Wood Coasters Waterproof


Should Wood Coasters Be Sealed?

There are a few things to consider when deciding whether or not to seal your wood coaster. The first is the type of wood. If you’re using a softwood, it’s more likely that the coaster will absorb moisture and swell, so sealing it will help protect it.

Hardwoods are less likely to absorb moisture, so they don’t need to be sealed as often. The second thing to consider is how often you’ll be using the coaster. If you’re using it every day, you’ll want to seal it more often than if you’re only using it occasionally.

The third thing to consider is what kind of drink you’ll be using on the coaster. If you’re using a dark beer or coffee, for example, the coaster will absorb more of the liquid and may start to stain over time. In this case, sealing the coaster can help prevent staining.

Generally speaking, sealing your wood coaster can help prolong its life and keep it looking good for longer. However, there are some downsides to sealing a coaster. First, it can make the coaster more slippery, which means drinks could spill more easily.

Second, if you use a clear sealant, it will change the color of the wood slightly. And finally, if you don’t seal the coaster properly, moisture can still get in and cause swelling or staining.

How Do You Seal Custom Coasters?

There are a few different ways that you can seal custom coasters. One way is to use a clear sealer, such as Mod Podge. You can either brush the sealer on, or you can dip the coaster into the sealer.

If you brush it on, you will want to make sure that you cover the entire surface of the coaster. If you dip it, you will want to make sure that the entire coaster is submerged in the sealer. Another way to seal custom coasters is to use clear acrylic spray paint.

Again, you will want to make sure that you cover the entire surface of the coaster. Let the coasters dry completely before using them.

What Oil Do You Use on Wood Coasters?

There are a few different oils that can be used on wood coasters. The most common and popular oil to use is mineral oil. This oil is clear and odorless, making it ideal for use on coasters.

It penetrates the wood well, providing protection against water damage. Other oils that can be used include olive oil and beeswax. Olive oil will darken the coaster over time, so it is not recommended for light-colored woods.

Beeswax will provide a slight sheen to the coaster and will also help protect it from water damage.

Can You Epoxy on Wood Coasters?

Yes, you can epoxy on wood coasters. This is a great way to protect your coasters and make them last longer. Epoxy is a clear resin that will bond to the wood and create a protective layer.

It is important to sand the wood first so that the epoxy will adhere properly. You can also add colorants to the epoxy to create different effects. Let the epoxy cure for 24 hours before using your coasters.


This post provides a tutorial on how to make wood coasters waterproof. The author begins by discussing the importance of using water-resistant sealant, and then provides step-by-step instructions for applying the sealant. Next, the author offers tips for maintaining the coaster’s waterproofing over time.

Finally, the post includes a link to an instructional video.

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