Steel deck framing revolutionizes the world of deck construction, offering a durable and versatile alternative to traditional wood framing. With its exceptional strength, dimensional stability, and resistance to rot and insects, steel deck framing provides a reliable foundation for decks that can withstand the test of time. This innovative framing solution allows for greater design flexibility, enabling the creation of expansive, open deck spaces with fewer support posts. Whether it’s for homeowners or commercial applications, a steel framing system offers unmatched durability, ease of installation, and long-term performance, making it a preferred choice for those seeking a reliable and low-maintenance deck structure.

Why Steel Deck Framing is Ideal for Your Home


Steel is renowned for its exceptional strength, making it an ideal choice for deck framing. Steel deck framing offers superior structural integrity, providing a reliable and long-lasting foundation for your deck. It can withstand heavy loads, resist warping and twisting, and effectively support the weight of decking materials, furniture, and foot traffic. Steel framing ensures that your deck remains stable and secure, providing peace of mind for years to come.

Dimensional Stability

Unlike hardwood, steel is not susceptible to expansion, contraction, or warping due to moisture, temperature changes, or other environmental factors. This dimensional stability minimizes the risk of deck boards loosening, splitting, or developing unsightly gaps over time. Steel deck framing helps maintain the integrity and appearance of your deck, reducing the need for frequent repairs or maintenance. It ensures that your deck remains level, safe, and visually appealing.

Low Maintenance

Steel deck framing is highly resistant to rot, decay, termites, and other common issues associated with pressure-treated lumber. Unlike wood decks, it does not require regular staining, sealing, or painting to maintain its structural integrity. Steel framing offers excellent longevity, providing a low-maintenance solution for your deck. With proper installation and care, steel deck framing can outlast traditional wood framing, saving you time and money on maintenance in the long run.

New Castle Steel Framing

We offer New Castle steel deck framing that undergoes a triple-coating process to deliver unparalleled protection against shifting, splitting, warping, rotting, and rusting. Its precise engineering guarantees consistently flat surfaces, ensuring a reliable and visually appealing deck structure.

This Class IA fire-rated product strikes a perfect balance between lightweight construction and sturdy durability, capable of accommodating cantilevers and modern curved deck designs. Additionally, New Castle Steel proudly incorporates 25% recycled steel, making it an environmentally responsible choice. As a 100% renewable resource, it contributes to LEED points, enhancing the sustainability profile of deck building projects. New Castle also offers a 25-year limited residential warranty. Find more out at

Fortress Steel Framing

We also offer Fortress building products that revolutionizes the steel deck framing industry with their ingenuity and functional solutions. Their light-gauge steel framing was intelligently engineered by deck builders, for deck builders. These innovative pieces are not only easy to square but also surpass wood alternatives by offering superior resistance to twisting, rotting, cracking, and burning.

With Fortress’ interlocking joist and ledger system, constructing robust and secure decks becomes a breeze, requiring less labor-intensive efforts. To top it off, the powder-coated black sand finish not only enhances the overall aesthetic of the Evolution joist but also enhances corrosion resistance, ensuring long-lasting durability.

They provide more than just fortress evolution steel. Fortress delivers the total solution for creating beautiful, long-lasting spaces with PVC decking, composite decking boards, steel joists, and fasteners being only the beginning; they provide completely revolutionary building materials for the outside that are easy to install and maintain. Find out more at

The best steel suppliers & deck framing in St. Louis

Still not sure whether a new steel deck framing system is right for your home? Reach out today!

If you want to create a framing system for your front porch, we’re the shop to help you bring your dream deck design to life. Our team of professionals will work with you to determine what type of steel-framed deck best suits your home improvement needs.

You can purchase the supplies through our company and DIY your deck project, or you can hire us for a full design, precise engineering, and implementation.

Come by our showroom in Kirkwood or give us a call anytime for pricing and warranty information. We offer free consultations and estimates.

Outdoor Living Inc. offers free estimates on your outdoor entertaining decor.

Contact an Outdoor Living Specialist to Schedule Your Free Estimate Today!

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