How to Update Your Fireplace with Airstone

In only a weekend or less you can totally transform your bland builder grade fireplace into a beautiful Airstone fireplace.

Airstone can instantly update a fireplace, bar, accent wall, and much more!

This stone dramatically changes the appearance of your home and can potentially increase the value.

Please note that I am only speaking about updating a flat marble or flat stone fireplace.

I’m not saying that this couldn’t work for other fireplace features and variations, but I have not tested it on them.

Upgrade your fireplace

What is Airstone?

We share all of our tips and tricks to completely renovating your fireplace with Airstone.

If you haven’t heard of it, it’s a stone like material that is thin and lightweight.

As a matter of fact, if you felt it, you would have no idea that it wasn’t actual stone.

Airstone can be found at Lowe’s, and there are a few different patterns to choose from to match your home.

I went with the white and gray pattern Airstone, since it is a more timeless look and can adapt to any home style.

DIY Fireplace with Airstone
This is a side view of the Airstone adhered to the face of the fireplace

Affordable Fireplace DIY

This material is much lighter than actual stone, and can be cut with just a hacksaw.

You can see that Airstone is semi porous in the picture above.

I did end up using my jigsaw to cut this, with a concrete blade or metal blade, for the sake of time.

It was pretty effective but did require a blade change or two.

That said, you’ll also want to wear safety goggles and a mask.

I also used the recommended Airstone adhesive, which seemed a lot like thin set, if you’ve ever used that.

Step 1: Measuring for your Airstone fireplace

Measuring out your stone is important because you want to make sure the stone lines up correctly before you adhere it.

I started with the top of my fireplace that runs horizontal below the mantel and lined up a couple of stones.

The Airstone fit perfectly below the mantel, so I adjusted the pattern with these stone then set them aside.

I didn’t want to have to cut an entire row length wise to have them fit, because it would be more tedious and time consuming.

Then I laid out an entire row and measured them and they basically fit the mantel perfectly as well.

The row was only off about a half inch which I just filled in with the Air Stone adhesive.

How to build an Airstone Fireplace
A view of the vertical columns

I then measured vertically for the columns that go up the sides and saw that I would definitely need to cut one of the stones length wise on each side.

All of these stones would also need to have their ends cut down a few inches to fit so they don’t overlap the fireplace.

Airstone

Step 2: Adhering the Horizontal section of Airstone

I knew that all the pieces fit perfectly in this section.

If I just slapped on the adhesive, what would hold it up until it dried? Nothing. The answer is nothing.

So, I had to build some sort of scaffolding to keep the Airstone held in place until it completely dried.

To do this I had some wood left over (preferably 2×4’s) and made a basic frame that would support the weight of the stones until they were completely dry.

The stones should be able to rest on the top 2×4 so that they won’t fall or sag.

I don’t have pictures of this, but in the image crudely (and terribly) drawn below, you can see how this scaffolding should be built.

Airstone Fireplace
Don’t mind our kids toys in the picture lol. This is what the scaffolding should look like though.

Some things to note:

When applying the adhesive, as they describe, put it on like you’re icing a cupcake, not just buttering a slice of bread.

For aesthetics, you’ll also want to stagger the pattern so that have some shorter pieces, longer pieces, and colors blended.

Step 3: Fitting the Vertical Section

After the top has set and dried, you can begin work on the sides.

The obvious choice is to start on the bottom and work your way up, since the stones below will support the ones on top of it.

As I mentioned, I had to cut these to fit since they were too long.

You can easily measure them, draw a line with a pencil directly on the stone, and cut it with a hacksaw, or jigsaw in my case.

After that, slap the adhesive on the back of them and put them on until it’s complete.

It’s that easy and should only take a weekend, including dry time.

airstone fireplace
After adding Airstone to Our Fireplace

There you have it! A brand new look to your fireplace.

Coming soon, I’m going to build a fireplace from scratch, using an electric fireplace.

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