DIY Outdoor Fireplace Kits that are Affordable and Easy-to-Build

Elevate Your Outdoor Living Space Fast and Easy

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Key Features and Benefits of our DIY Outdoor Fireplace Kits:

All Kits are made with SOLID masonry made in the USA

Durable USA Made

Our fireplace kits are constructed from superior, weather-resistant materials and designed for longevity.

Easy for beginners- we have step by step instructions and informational videos.

Easy Installation

NO Mortar, NO Cutting, NO special tools or skills needed. Includes all necessary components.

Design your fireplace over 750 different ways!

Customizable

Mix, match, and tailor components to create the perfect outdoor fireplace for your personal needs.

Keep more money in your pocket by saving with Cornserstone Kits

Affordable Luxury

Our hardscape kits are a cost-effective solution for enhancing your home’s value and function. Free shipping!

Transform Your Backyard with Ready-to-Assemble Outdoor Fireplace Kits

Ashford Small Outdoor Fireplace Kit

Ashford Small Outdoor Fireplace Kit

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Luxury Small Fireplace with Firewood Storage Included

starts at $4700
Barrington DIY Outdoor Fireplace Kit

Barrington DIY Outdoor Fireplace Kit

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Traditional wood burning outdoor fireplace kit that adds value to your home.

starts at $4300
Barrington Fireplace for Decks and Raised Patios

Barrington Fireplace for Decks and Raised Patios

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Flush Mount Fireplace for Raised Decks and Patios

starts at $6650
Barrington Outdoor See Through Fireplace Kit

Barrington Outdoor See Through Fireplace Kit

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Two-sided fireplace brings twice the enjoyment

starts at $4300
Bremley Outdoor Fireplace Kit

Bremley Outdoor Fireplace Kit

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Upscale design will update your patio space

starts at $4300
Bremley TV Fireplace Kit

Bremley TV Fireplace Kit

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Put the big game at the center of your outdoor living space

starts at $4950
Bremley Two Sided Fireplace Kit

Bremley Two Sided Fireplace Kit

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Twice the Warmth, Double the View – Elevate Your Outdoor Living

starts at $4300
Garden Ruins Fireplace Wall

Garden Ruins Fireplace Wall

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Create a Stunning Outdoor Fireplace Focal Point with Our Unique Ruins Kit

starts at $3350

How To Customize the Perfect Outdoor Fireplace for your Backyard Patio

Building the perfect outdoor stone fireplace for your backyard is simpler than ever with Cornerstone’s modular fireplace kits. Start by choosing a color that complements your outdoor space, then move on to select the style or shape that best suits your vision. Whether you prefer the classic look of a standard firebox kit or the modern allure of a see-through design, we’ve got you covered.

1. Choose from Four Outdoor Fireplace Models- Then Customize to Your Taste

Barrington outdoor fireplace comes in standard and 2-sided options. We even have an option for decks and raised patios.

Barrington

Bremley contemporary outdoor fireplace kit is availablein standard and two sided firebox options.

Bremley

Bremly TV outdoor fireplace has romm to mount a 55" TV and soundbar on the smoke chamber.

Bremley TV

Ashfor is a small outdoor fireplace that comes with wood boxes standard.

Ashford

2. Add the Most Popular Options and Accessories to Make Your Fireplace More Functional

Firebox with Deluxe wood boxes option in cottage buff

Deluxe Wood Storage

We call a pair of wood boxes our "Deluxe" option. This common upgrade for your fireplace kit gives you stylish...

Brimley fireplace kit in buff with attached seat walls

Estate Wing Walls

Estate wing walls add elegance to your fireplace. They make your fireplace appear larger and add separation between your patio...

Chimney Extensions

Chimney Extensions

You can add chimney extensions in 24" tall sections up to a max of 48". Our outdoor fireplaces are not...

We offer outdoor gas log burner sets for your fireplace kit.

Gas Burner and Log Sets for Outdoor Fireplaces

Expertly crafted, ultra-realistic gas log sets elevate your outdoor environment, creating an unforgettable gathering around the fireplace.

3. Add Unity Grill Stations to Combine a Custom Outdoor Kitchen with Your Fireplace

Add a Unity G Grill Station to your outdoor fireplace kit to make a custom srill gtation

Unity-G Grill Station

Add a Unity G+ to your outdoor fireplace kit to make a custom grill station

Unity G+ Grill Station

Add a Unity K to your outdoor fireplace kit to make a custom Kamado station

Unity-K Grill Station

Add a Unity K+ to your outdoor fireplace kit to make a custom Kamado station

Unity K+ Grill Station

Add a Inity Z to your outdoor fireplace kit to make a custom Pizza Oven station

Unity-Z Grill Station

Add a Unity Z+ to your outdoor fireplace kit to make a custom Pizza Oven station

Unity Z+ Grill Station

Add a Unity C to your outdoor fireplace kit to make a custom Grill and Kamado station combo

Unity-C Combo Grill Station

Add any two or more unity outdoor kitchen modules to your outdoor fireplace kit to make a custom fireplace and cooking station

Multiple Unity Additions

Can I Build My Own Outdoor Fireplace?

Absolutely! Designed with beginners in mind, these diy-friendly kits make it simple to construct a stunning fireplace in just a weekend. Featuring pre-cut masonry blocks and step-by-step instructions, our kits eliminate the need for specialized tools or advanced skills, empowering you to take on this rewarding project with confidence.

While some physical effort is required, many of the pieces weigh 10 pounds or less, making them easy to handle. You should, however, be prepared to lift up to 30 pounds repeatedly during assembly. Whether you’re a DIY enthusiast or a first-time builder, you’ll feel the pride of creating something extraordinary with your own hands.

Ease and Expert Guidance Every Step

Fireplace-Build-Hearth

Budget-Friendly Outdoor Fireplace Kits

Barrington Kit Deluxe Estate in Cottage Buff DIY stone outdoor fireplace kit with double wood storage box and wing walls with columns

DIY Mastery with Pride: A Project Worth Sharing

Watch How Easy It Is to Build Your Fireplace

Build your fireplace in a weekend youtube video

Learn from the Pro – Check Out Our How-To Videos on YouTube

You will learn what to expect when building this project yourself. All of Jake’s kits are perfect for installers or DIYers. You don’t need any special skills or tools. All the pieces you need are included in your kit. There is no cutting or mortaring the blocks. You simply stack and glue the block together.

Frequently Asked Questions

Q: What types of fireplace kits do you offer?

A: We offer Standard Fireplace Kits (single-sided) and Two-Sided See-Through Fireplace Kits. Both options deliver timeless design and can be tailored to your outdoor space.

Q: What materials are the stone fireplace kits made of?

A: Our kits use solid concrete masonry blocks for proven durability and longevity. Each firebox is lined with high-quality firebrick for safety and heat retention.

Q: Are your outdoor fireplaces safe for burning wood?

A: Yes, all of our fireplaces are designed for wood-burning use. Each kit comes with a stainless steel spark arrestor to add an extra layer of safety.

Q: Can I add a gas log set to my fireplace?

A: Yes. While our fireplaces are designed for wood-burning, you can easily install a gas log set for convenience. Many customers enjoy this upgrade for quick and easy fires.

Q: How much space do I need for installation?

A: The space required varies by model and the options you choose. Check the product page for exact dimensions.

Q: Can I install the fireplace kit on a deck or raised patio?

A: No. But, our Barrington for Decks model is specifically designed for safe installation abutting raised patios or decks.

Q: How long does it take to assemble a stone fireplace kit?

A: Most customers complete their DIY fireplace kit in 2-3 days with basic tools. No special skills or equipment are required.

Customer-Built DIY Outdoor Fireplace Kits

This customer built a barrington fireplace to create a backyard centerpiece for gathering with family and friends.
Customer built outdoor fireplaces, fire pits, and grill islands

Read Our Customer Testimonials

All customer reviews are unfiltered

Click here to read all of our testimonials.

Buy Your Outdoor Fireplace Direct from Cornerstone and Save

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No Middleman

By purchasing directly from us, you avoid unnecessary costs. This means you get premium materials and designs at a price that works for you.

Jake standing in front of a deluxe estate outdoor fireplace for scale.

Direct Support

Need help with your project? When you buy direct, you can count on our team for personalized guidance and support, every step of the way.

Summerset Sizzler 26 inch gas grill and natural stone countertops.

Expert Quality

Buying from Cornerstone means you’re getting authentic, expertly crafted products designed to last—no compromises.

Ready to Transform Your Home Outdoor Space?

Discover how DIY Outdoor Fireplace Kits can add timeless beauty, warmth, and functionality to your backyard.

Shop DIY Outdoor Fireplace Kits Now

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