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HIGH FORMAT® is bringing fresh design possibilities to Ohio’s outdoor spaces. From

Rosetta® Hardscape wetcast products to carefully curated natural stone, we deliver the tools to build lasting beauty—walls, slabs, pavers, steps, fire pits, and more. With Rosetta® Hardscapes products, you get the aesthetic appeal of natural stone with the engineering and durability of wetcast concrete. 


Whether it’s a garden retaining wall in Cincinnati, a backyard patio oasis in Columbus, or a lakeside retreat near Cleveland or Toledo, you’ll soon see our signature products shaping commercial and residential landscapes. Favorites like Outcropping, Grand Ledge Wall, Empire Steps, and the Belvedere Fire Pit are already making their mark.


You’ll find HIGH FORMAT® products at trusted dealers across Ohio, and with our network continually growing, it’s easier than ever to access our premium hardscape solutions. Visit our Where to Buy page to see a complete list of HIGH FORMAT® dealers.


Transform your next project with HIGH FORMAT®—the brand where innovation meets timeless design. Ask your local dealer today how we can help you build something extraordinary.


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HIGH FORMAT® is excited to announce the opening of our new 30,000-square-foot production plant in East Troy, Wisconsin. This marks our second manufacturing facility, joining our headquarters in northern Michigan.


Expanding Our Reach


Expanding into Wisconsin is a major milestone. It enables us to better serve customers across the state and in northeast Illinois. With increased production capacity and shorter transportation routes, this growth reinforces our commitment to being a dependable, accountable partner to landscape suppliers and contractors in every market we serve.


We are incredibly humbled by the warm welcome from the East Troy community—it’s been nothing short of amazing. A big thank you to Briohn Building Corporation for bringing our vision to life with the construction of our new facility. We also appreciate the City of East Troy for their support throughout this journey.


Our Commitment to Quality


At HIGH FORMAT®, we seek to provide landscape products that look better, install easier, and last longer than alternatives. Our dedication to quality is evident in every product we offer. From Rosetta Hardscape wetcast products to our ultra high-performance concrete TEKTRAMAT® technology, we ensure that our offerings meet the highest standards.


A Diverse Product Range


We provide the landscape community with an exciting range of walls, slabs, pavers, steps, fire pits, and more. Each product is designed with both aesthetics and functionality in mind. We serve Michigan, Ohio, Wisconsin, and northern parts of Indiana and Illinois. Our goal is to help you create beautiful and lasting outdoor spaces.



Building Strong Relationships


We believe that strong relationships are key to success. By working closely with our partners, we can ensure that we meet the needs of our customers effectively. Our team is always available to provide support and guidance, ensuring that your projects run smoothly.


Looking Ahead


As we move forward, we are committed to expanding our reach and product offerings. We want to be the go-to manufacturer for outdoor hardscape materials across the Midwest. Our focus remains on quality and ease of use, so you can trust our products for your outdoor projects.


In conclusion, we are excited about this new chapter for HIGH FORMAT®. We look forward to serving you better with our new facility in East Troy. Thank you for being part of our journey. Together, we can create stunning outdoor spaces that enhance the beauty of our communities.


For more information about our products, visit our website. We are here to help you every step of the way!

Updated: May 28

Who we are: Explaining the relationship between HIGH FORMAT® and Rosetta Hardscapes

Let’s start with the big picture. Over the course of three generations, the Manthei family has built a diverse group of companies spanning concrete manufacturing, construction products and services, forestry products, and real estate. Today, these businesses are collectively known as the Manthei Group.


Both HIGH FORMAT® and Rosetta Hardscapes are part of the Manthei Group; however, each is a distinct business with its own purpose, leadership, and team.


Rosetta Hardscapes

Rosetta Hardscapes develops advanced wetcast concrete technology and licenses it to more than 30 producers worldwide. Each licensed producer operates within a specific geographic region, manufacturing the same popular products you know and love—from Outcropping and Grand Ledge to Grand Flagstone and Dimensional Flagstone.


Rosetta Hardscapes also provides comprehensive technical, product, and sales support across all territories. As a result, you’ll often see marketing materials that feature both Rosetta Hardscapes and an individual producer working together.


When a homeowner or contractor purchases a product like Kodah Wall blocks from a local dealer, that dealer is sourcing the product from a regional producer responsible for that territory. While the product designs remain consistent, each producer offers its own unique color selections tailored to local preferences and regional demand.


HIGH FORMAT®

In 2008, HIGH FORMAT® became the first original producer of Rosetta Hardscapes, operating under the name “Rosetta of Michigan”.


In 2020, we rebranded as HIGH FORMAT® to clearly distinguish ourselves as a separate entity from Rosetta Hardscapes. This shift gave us the flexibility to expand our product offerings beyond wetcast concrete. Today, we continue to manufacture walls, steps, and pavers using Rosetta Hardscapes technology, while also offering a full line of large-format, ultra-high-performance concrete slabs as well as an extensive selection of travertine and marble natural stone products.


HIGH FORMAT’s sales network spans Michigan, Wisconsin, Ohio, and parts of Indiana and Illinois.


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