Build faster and cheaper!

Our System is DIY Friendly

Get luxurious results in less time for less money. There are a lot of things to know about and consider when building a backyard dream space. Take the unknowns out of custom hardscape design and installation. Choose cornerstone complete line of premium, easy-to-build outdoor living kits. You will save time and money in planning your space and spend more time enjoying it!

Fire spire fire pit arched front opening gray.
Unity series outdoor kitchen components make creating your ultimate outdoor kitchen easy.
Cornerstone Block System
DIY stone outdoor Bremley fireplace kit with double wood storage box
Summerset Sizzler 32
Premium large. outdoor kitchen combo unit with beautiful green custom countertops.

Experience Our Beginner-Friendly Modular Building System

Our Beginner Friendly System is Designed to Make Kits Easily

These blocks were specially designed to make hardscape features. These are not repurposed retaining wall blocks. This produces easy-to-make kits that save time. The wedge shapes help increase the bonding ability for a solid product built to last.

Unity allowws you to create endless outdoor kitchen layouts.

Like LEGO for Your Outdoor Living Space: Easy, Versatile, and Fun

Designed to function like LEGO for your outdoor space, each modular component effortlessly connects, allowing you to build and customize your dream outdoor kitchen, grill island, or entertainment area with ease. Start building the outdoor oasis you’ve always dreamed of today. * We are NOT LEGO-affiliated.

Achieve a Natural Stone Look With Our Unique Stone Layout

Our stones are produced with through-body colored concrete. Then they are tumbled to give them a naturally aged look. The three sizes of block can create seven different face sizes creating the randomly laid appearance of natural stones.

No Mortar Needed: A Clean, Quick, and Easy Building System

There is no mess or mortar mixing. Our kits are simply glued together. You squeeze special adhesive from a caulk gun, making construction and cleanup a breeze.

Simple Building Blocks for Your Outdoor Vision

Our innovative block system is at the heart of Cornerstone’s outdoor living kits. Crafted for ease and versatility, our blocks lay the foundation for your outdoor dreams, offering unparalleled flexibility and durability.

Key Features of Our Blocks:

  1. Versatile Design: With just three blocks, you can achieve the look of seven different block shapes, allowing for limitless creativity in your outdoor design.
  2. Easy Handling: Our lightweight blocks, weighing under 30 pounds each, make construction easy. Their manageable size also ensures ease of transport and installation.
  3. Simple Assembly: Say goodbye to mortar and complicated construction techniques. Our blocks stack like Lego, requiring only basic tools and adhesive to create sturdy, professional-grade structures.
Can Anyone Really Build an Outdoor Fireplace?

Building Your Outdoor Haven is a Breeze

Constructed to mimic the appearance of real stone, our blocks are engineered for beauty and longevity. From the foundation to the finishing touches, our block system ensures a seamless construction process, whether you’re a seasoned DIYer or tackling your first outdoor project.

Key Aspects of Building with Cornerstone Blocks:

  1. Comprehensive Instructions: Our step-by-step, color-coded instructions guide you through every stage of construction, from site preparation to final touches, ensuring precision and accuracy at every step.
  2. Modular Construction: Connect any Unity kitchen module with ease, creating custom outdoor kitchens tailored to your space and preferences. Plus, integrate your kitchen with our fireplaces for a cohesive, integrated outdoor living experience.
Unity Badge

What Makes Our Unity Line Effortless?

Dive into transforming your outdoor space with the Unity series – where elegance and ease come together perfectly. It’s crafted for folks who appreciate the finer things but want them to be straightforward and functional. We’ve designed every piece to blend seamlessly. Imagine crafting your dream outdoor kitchen without any of the usual fuss. Each component complements the others, ensuring your journey to an incredible outdoor space is as smooth as it gets.

Unity allowws you to create endless modular outdoor kitchen layouts.

No Homework- Everything Fits and Works Together

Dive into luxury without the hassle. The Unity series seamlessly brings together all essential components—grills, Kamados, ovens, drawers, refrigerators—in one perfectly fitting package. Ready to assemble straight out of the box, we eliminate the guesswork and adjustments, making the path to your dream outdoor kitchen as easy as it gets.

No Guesswork- You Know Exactly What to Expect From Each Unit

Experience the joy of choice without the confusion. Unity’s precision-designed units ensure a flawless match and a harmonious look from day one. With clear imagery and detailed specs for every component, you’re guaranteed satisfaction with no surprises along the way.

Unity Outdoor Kitchen with L-shaped bar, Kamado island, Summerset gas grill, and wood-fired Pizza Oven.
Our kits are easy to build for beginners with no heavy lifting

No Hard Work- You Get an Outdoor Kitchen in a Fraction of the Time

Transform your outdoor space effortlessly. Unity is designed for simple assembly, making it possible to revamp your backyard in just hours. With everything included, forget about unexpected store runs. Enjoy a low-maintenance setup that lets you focus on relaxation and entertainment.

Build Kits for Every Outdoor Lifestyle

From compact grill islands to expansive outdoor kitchens, our kits offer turnkey solutions for every outdoor lifestyle. Designed with convenience and functionality in mind, our kits make it easy to transform your backyard into an inviting oasis for relaxation and entertainment.

Benefits of Cornerstone Kits:

  1. Time and Cost Savings: Our pre-designed kits eliminate the need for custom design fees or on-the-job modifications, saving you time and money on your outdoor project.
  2. Quality Craftsmanship: Made in the USA from high-quality materials, our kits are built to withstand the elements, ensuring years of enjoyment and satisfaction in your outdoor space.

Elevate Your Outdoor Experience with Cornerstone

Whether you’re looking to create a cozy corner for family gatherings or a sprawling entertainment hub for hosting friends, Cornerstone’s block system and kits provide the foundation for your outdoor vision. Discover the possibilities and start building your dream outdoor space today.

Get proven luxurious results in record time with our all-inclusive DIY kits

Juggling multiple variables of hardscape design and installation can be quite daunting. Identifying the most proven materials and products on the market can be overwhelming. Moreover, troubleshooting bespoke designs can result in a waste of valuable resources. Our curated products help you avoid the pitfalls of unproven solutions, saving you time and money.

  • All the materials you need are included. You get extra pieces, so you won’t be held up by a missing or damaged piece.
  • You don’t use mortar. All the pieces are glued together. We even include the adhesive.
  • You don’t cut anything. All the pieces come pre-cut to the size you need. Simply lay them as the instructions show.
  • No special skills are required. You only need to be able to use a level and a caulk gun.
  • Pieces are easy to manage. Unless you install stone slabs (pier caps or countertops), the heaviest piece is 30 pounds.
  • You can build it on a weekend. Once your foundation is ready, your kit can be built quickly. You stack and glue.
Your outdoor living kit comes with easy-to-follow step-by-step instructions

Easy step-by-step instructions are included. It is like Lego for adults. (Not affiliated with Lego.)

Get To Know Cornerstone Rocks Better

We are a small company that respects our customers and our employees. We feel our decisions impact those around us from our local community to the planet we all live on. Read below to find out more

Step-by-Step Guide: How-To Build Your Fireplace Kit

Build your fireplace in a weekend youtube video

Learn from the Pros – 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.

Here are Some Design Guides and Ideas to Help You Plan Your Patio Upgrade

These articles will help you when planning and laying out your dream outdoor space. Start here and look around. We have many more.

Customer testimonial pic


This kit was one of the easiest DYI projects I have ever completed. And I have never worked with stone before. The instructions were for true beginners. It turned out great.

Farrin W.

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