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A new name. The same team you trust.

Beginning October 1, 2025, Fortify stores started transitioning to the Mueller brand. This gradual transition planned one store at a time through November 2026, unites our network of retail stores under a single, nationally trusted name, strengthening our ability to serve property owners, contractors and builders from coast to coast.

What's changing: Our name and brand.

What's staying the same: Your team, your products, your service and your support.

As your local store transitions, you’ll see updated signage and branding, but your day-to-day experience remains consistent, with added capabilities and expanded support.

For Contractors and Trade Professionals

Your account, pricing, credit terms and local contacts remain unchanged through the transition. You can keep placing orders and working with your local team exactly as you do today. If you have questions about your store's transition timeline, reach out to your local sales rep or find your branch. 

Why Mueller?

Mueller has manufactured and supplied steel buildings, metal roofing and building components for more than 90 years. Known for quality materials and practical expertise, Mueller supports contractors, builders and property owners from design through delivery.

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By bringing Fortify locations under the Mueller name, you gain:

90+ Years of Trust

Mueller has served contractors, builders and property owners for decades, with deep product expertise across steel buildings, roofing panels and components. 

Expanded Reach

A coast-to-coast retail branch network means faster service, more locations and a broader manufacturing footprint to support projects of any size. 

Broader Product Selection

From Hypersteel cold-formed buildings to standing seam roofing panels, pole barns, carports, coil and more. Access the full Mueller product catalog from day one. 

Local Expertise, National Strength

Your local team still knows your region, your codes and your project types. The Mueller name adds national credibility and supply chain strength behind every order. 

Learn More About Us

Fortify Building Solutions was formed by bringing together Heritage Building Systems, Metal Depots and Reed’s Metals, trusted names with decades of experience in the metal building industry. That foundation carries forward as part of the Mueller network.

Our Parent Company: Cornerstone Building Brands

Cornerstone Building Brands is the largest manufacturer of exterior building products in North America. Headquartered in Cary, North Carolina, the organization serves residential and commercial customers across new construction and repair & remodel market. As the #1 manufacturer of windows, vinyl siding, metal roofing and wall systems and metal accessories, Cornerstone Building Brands combines a comprehensive portfolio of products with an expansive national footprint that includes more than 21,000 employees at manufacturing, distribution and office locations throughout North America. 

Cornerstone Building Brands operates by using a nationwide hub-and-spoke delivery  program, determining the closest facility that can satisfy a project’s specifications. This hub-and-spoke distribution method benefits the customer by decreasing delivery times, lowering the transportation costs and reducing negative effects on the environment. Corporate stewardship and environmental, social and governance (ESG) responsibility are embedded in our culture. We are committed to contributing positively to the communities where we live, work and play.  

Learn More About Cornerstone Building Brands
A medium-sized house with a metal roof, three dormer windows, a brick chimney, and a front door flanked by windows.
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