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1970s Stone Fireplace Makeover (Before & After)

November 9, 2023 by GSInteriors Leave a Comment

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If you have a 1970s-era stone fireplace in your home (like me), you might be feeling like it’s time for an upgrade. Stone fireplaces were popular in the 70s, but they can look outdated and take away from the overall aesthetic of your home. Fortunately, with a little creativity, some DIY skills, and latex paint, you can transform your old fireplace into a stunning focal point that will add value and beauty to your home. In this blog post, I’ll explore some tips and ideas for a 70s stone fireplace makeover that will help you create a stylish and more modern look that you’ll love for years to come, without spending much money!

dated stone fireplace
updated stone fireplace with lighter painted mortar and black painted brick

Why I love this fireplace

Before we even looked at the house in person, this fireplace was one of the first things to draw us in while looking online. Even though it is an outdated fireplace, we just found it so unique and it had a lot of character. So many of the homes in our price range didn’t even have a fireplace, which is understandable because they are not necessary in modern homes. But, I just love the effect that a fireplace brings to a home. It’s the center of the home, a hearth, and gives it such warmth with a traditional feeling. Fireplaces create such a beautiful focal point in any space. We also loved the fact that it was a gas fireplace, super easy and convenient to use. 

stone fireplace made over and styled with lanterns and a vase

I knew I wanted to do something with it to give it a fresh look, and that it was possible. However, it took me years after living in this home to finally make the decision to update it, and just go for it. I could not bring myself to paint over the real stone, as I have so much appreciation for the quality of the stone in it. Once I had a close look at the brick, I realized it was artificially made from concrete. This was good news, because I realized I would have no guilt in wanting to paint over it. 

What helped me visualize what I wanted to do

I decided the easiest way to figure out how I wanted to address this dated stone fireplace was to use a tool to help me visualize. This is something I do often as an interior designer, to help make decisions for clients’ spaces. Yes, even as an interior designer I sometimes struggle with visualization too. I took some photos of the fireplace, imported them into Canva, and began playing with different color mortar and paint options. Here are some options I came up with for this 70s stone fireplace makeover:

fireplace makeover iteration with white painted mortar and brick
fireplace makeover iteration with grey painted mortar and black painted brick
fireplace makeover iteration with white painted mortar and black painted brick

Can you paint mortar on a stone fireplace?

Short answer, absolutely you can! As long as you only plan to paint the stone surround, and not the interior of the fireplace. This can pose a fire hazard. Check your local building code for the minimum distances required from the fireplace to combustible materials. As long as you’re painting outside of that minimum distance, it will be safe!

Painting mortar is a great option if, like me, you want to address the color without having to do a lot of mortar, creating an over-grouted look. This is called a German Schmear, which is beautiful but changes the entire look of your fireplace. It’s a personal preference, but I didn’t want the mortar lines to become thicker, which would happen if I applied more mortar over the existing. Also, I know I’m quite skilled at painting and could handle that myself. However, I’ve never applied mortar to a fireplace so the thought of that made me quite nervous! 

How to clean soot off a stone fireplace

It’s a lot more simple than you think! And boy, did our fireplace ever need it. Before the gas insert was installed, this fireplace was wood burning. The previous homeowners also smoked indoors and the natural stones on the fireplace seemed to soak that scent up like a sponge (Sorry if that’s too much information!). It was going to need a really good scrub down before I could start painting. After some research, I decided to try Scrubbing Bubbles. Honestly, it worked amazingly and was so simple. All I needed was a can of Scrubbing Bubbles Bathroom Cleaner (make sure it’s the kind free from fragrance & dyes), a scrub brush, and a rag. Do a test spot on your fireplace, just to make sure it doesn’t stain or harm the stone before you begin. Here’s how to clean soot off a stone fireplace in 3 easy steps: 

1. Spray on the Scrubbing Bubbles. Spray evenly and coat the stone fully. Let it sit and bubble and do its thing for a few minutes. 

2. Scrub the stone with a scrub brush. I did small, gentle circular motions. You will start to see the filth come out of the stone, it is so satisfying!

3. Wipe away the soot with a damp rag and let the stone dry completely before painting. I had to repeat these steps twice for a few of the stones closest to the fireplace opening to get it completely clean. But it worked like a charm!

The best paint for a fireplace surround

When it comes to painting mortar on a stone fireplace, you’ll want to choose a paint that is specifically designed for masonry surfaces. Look for a high-quality, water-based paint that is formulated to bond with the mortar and resist cracking and peeling. I used an exterior paint believe it or not. Exterior paint is designed to adhere to masonry much better than interior paint, and is far more durable. The paint I used has a built-in primer also. 

1970s fireplace updated with painted mortar and brick styled in a living room with an accent chair, rug, and dog laying on the floor

I’m a big fan of Benjamin Moore’s paints because of their quality and color selection. The quality of paint you choose makes a huge difference in how easy it is to work with. I used Aura Exterior in a flat finish in the paint color Revere Pewter. This color is great because it really complemented the stone, and wasn’t a bright white which would be too high contrast in my opinion. I also didn’t want a bright white mortar to make my off white walls look dingy. Because the coverage is so good, I only needed to do one coat. I prefer a flat or matte finish since it looks the most realistic (like actual mortar). I was shocked that a fresh coat of paint, not the mortar gave the stone a whole new look. 

Tips for painting mortar on a stone fireplace

If you’re looking to update the look of your stone fireplace without painting the entire thing, painting the mortar can be a great way to achieve a subtle but impactful change. Here are some tips for painting the mortar on a stone fireplace. 

1. Mask off the area

Use painter’s tape and drop cloths to protect the surrounding area from paint splatters or drips. You may also want to use a putty knife or scraper to carefully remove any excess paint from the stone surface after painting the mortar. 

2. Apply the paint with a small artist’s brush

Use a small paint brush to apply the paint to the mortar joints. I used an inexpensive artist’s brush from the dollar store. If you use an expensive brush it will just get ruined from the texture of the mortar. Make sure the brush is narrow enough to fit between the smallest spaces between the fireplace stone. You may need to apply multiple coats to achieve the desired level of coverage. But with the paint I used, I only required one coat. It was safer to load the brush with very little paint, to avoid any drips. Work in one small section at a time.

3. Steady your hand for a more controlled application

Remember to rest your hand on a stone whenever you’re painting the mortar. If you’re able to rest your hand, then rest your forearm. This action gives you so much more control over your brush strokes. I’m not going to lie, this process did take me a long time. But the act of resting my hand reduced so much work and effort. 

closeup showing painted mortar on a 70s stone fireplace

By following these simple tips, you can easily paint the mortar during your 70s stone fireplace makeover, and create a subtle but impactful change to the overall look of the room. Just remember to choose the right paint, properly prepare the surface, and take your time to ensure a smooth and even application.

How to paint a brick fireplace black

Painting the brick black gave the entire 70s stone fireplace makeover an updated look. It’s quite popular to paint brick fireplaces black, because it can create a sleek and sophisticated look that instantly transforms the room. I used Benjamin Moore’s Aura in the color Black, eggshell finish. Here are some tips on how to paint a brick black. 

1. Prepare the area

Before you start painting, make sure to protect the surrounding area with painter’s tape and drop cloths. You’ll also want to clean the brick thoroughly to remove any dirt or debris. 

2. Prime the surface

If your brick fireplace has never been painted before, you’ll need to prime the surface first. This will help the paint adhere properly and ensure a smooth finish. Use a high-quality primer that is designed for masonry surfaces. I used Insl-X Aqua-lock primer, and an old paintbrush since a fresh one would just get ruined by the brushing it on the brick texture.

3. Apply the paint

Once you have your primer has dried (check the can for recommended dry times), it’s time to start painting. Use a roller or brush to apply the paint in thin, even coats. You may need to apply multiple coats to achieve the desired level of coverage. Again, I used an old worn-out brush since I knew a new brush would just get ruined.

4. Let it dry

After you’ve finished painting, let the fireplace dry completely before using it. This will ensure that the paint has fully cured and won’t be damaged by heat. 

stone and brick fireplace with painters tape hoarding off areas and black paint applied to brick

By following these simple steps, you can easily paint and create a stunning focal point in your living room. Just remember to take your time, choose the right materials, and properly prepare the area before you start painting.

How to decorate a fireplace without a mantle

When I first started to think about this 70s stone fireplace makeover, I really wanted to add a mantle. But, the more I thought about it I realized there wasn’t really a way to add a mantle without ruining the look of the fireplace. Besides – there are plenty of ways to style a fireplace without a mantle and create a beautiful and functional space. Here are a few tips I can offer. 

1. Create a focal point

Without a mantle, your fireplace may feel a bit bare. To create a focal point, consider hanging a large piece of artwork or a mirror above the fireplace. This will draw the eye up and create a sense of balance and symmetry in the room. I didn’t have this option, and I surely didn’t want to damage the stone by hanging something on it. In my case, the gas insert itself is the focal point when it’s turned on. Remember that if your fireplace is similar to mine. 

2. Accessorize the hearth

The hearth is a great place to add decorative elements to your fireplace. Don’t be afraid to accessorize your fireplace with decorative objects like candles, vases, lanterns, sculptures, or even seasonal décor like pumpkins or garlands. Just be sure to keep things proportional and not too cluttered. 

3. Add a rug

Placing a rug in front of your fireplace can add warmth and texture to the space. Choose a rug that complements your existing décor and is made from a material that can withstand the heat from the fireplace.

4. Use plants

Adding plants to your fireplace hearth can bring life and color to the space. Choose plants that thrive in low-light conditions and are easy to care for, such as succulents or ferns.

5. Use firewood as décor

If you have a wood-burning fireplace, why not use the firewood as décor? Stack logs neatly on the hearth to create a rustic and functional display.

70s stone fireplace makeover showing completed fireplace styled with lanterns and a white vase

By following these simple tips, you can easily style a fireplace without a mantle and create a beautiful and functional space that adds warmth and charm to your living room. Just remember to create a focal point.

My thoughts if you have an old stone fireplace like mine

In conclusion, a 1970s stone fireplace can be a beautiful and timeless feature in your home, but it may need some updating to fit with modern design trends. By following some of the tips and ideas in this blog post, you can transform your outdated 70s stone fireplace makeover into a stunning focal point that will enhance the overall aesthetic of your home. 

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