Steel Frame Backyard
Steel frame backyard greenhouse kits from B&T Manufacturing are built with galvanized steel that stands up to heavy snow, high winds, and the harsh winter conditions common in the Black Hills. These durable, low‑maintenance structures give you reliable climate control year round, helping you protect your plants during unpredictable weather and extend your growing season.
Our galvanized steel greenhouse kits are available in multiple sizes and configurations, allowing you to choose the features that fit your space and your gardening goals. Each modular steel frame greenhouse kit is engineered for strength, stability, and long‑lasting performance, giving you a dependable backyard growing environment in any region. Whether you want to grow food, start seedlings, or enjoy a protected garden space, our prefab backyard greenhouse kits offer an affordable and customizable solution. Contact us today for a quote.
Since 2015, B&T Manufacturing has been a leader in prefabricated and steel frame modular building systems, delivering high‑quality, ready‑to‑assemble products built for long‑term performance. Expanding on that expertise, we now offer steel frame backyard greenhouse kits engineered to withstand the harsh, snowy winters of the Black Hills of South Dakota. Our team has applied the same precision used in our modular steel frames and modular bathroom pods to design one of the strongest greenhouse kit systems on the market.
Each galvanized steel greenhouse kit is built for durability, efficiency, and clean design. Whether you want to extend your growing season, protect plants from unpredictable weather, or grow food year round, our modular steel frame greenhouse kits provide a dependable, long‑lasting solution. Ready to start growing in any season? Choose one of our prefab backyard greenhouse kits and begin protecting your vegetables, plants, and herbs today.
Greenhouse Kit Information:
- Greenhouse kits come in 3 widths: 8, 12 and 24 feet wide
- All units have a depth of 12' and can be expanded in 4' increments
- Galvanized Steel Frame
- Made In America
Greenhouse Kit Includes:
- 18 Gauge Galvanized Steel Frame
- Polycarbonate panels
- Parts list to complete assembly
- Adjustable Shelving
- Mechanical Air Exchange
Polycarbonate Greenhouse Advantages
Polycarbonate is one of the most reliable materials you can choose for a backyard greenhouse. It is significantly stronger than traditional glass and offers better insulation, which helps maintain a stable growing environment throughout the year. This material also diffuses sunlight so your plants receive even warmth and light without harsh hotspots. With lower maintenance needs and long term durability, polycarbonate is an ideal choice for gardeners who want a dependable structure that performs well in all seasons.
Key Benefits:
- Exceptional strength and weather resistance that can handle hail, wind, snow, and even flames
- 10 mm polycarbonate panels that insulate better than glass and standard twin wall materials
- Lower cost and maintenance than traditional glass, supported by a 10 year manufacturer warranty
Galvanized Steel Advantages
Steel framing is one of the most dependable choices for a backyard greenhouse, offering strength, longevity, and simple assembly for growers of all experience levels. The 1‑5/8 inch profile allows more natural light into the structure, especially in hobby and recreation sizes, while the engineered snow rating provides confidence in harsh northern climates throughout the year. This material is built to last, resists damage during transport and installation, and maintains a clean, hygienic surface that is easy to care for over time.
Key Benefits:
- Engineered 45 psf snow rating provides reliable winter performance and supports heavy snow loads common in northern climates.
- Long life expectancy of more than 50 years, or 20 to 25 years in harsh coastal or urban environments
- Bolt together design that makes assembly, disassembly, and future additions simple in hobby and recreation sizes
Steel Frame Backyard Greenhouse Kit FAQ
Have questions about choosing the right backyard greenhouse kit? These common questions can help you understand what to expect, how our products perform, and which features matter most for your growing goals.
Our steel frame backyard greenhouse kits are engineered with the same precision and durability as our modular steel framing systems. Each galvanized steel greenhouse kit is designed to handle harsh weather, heavy snow loads, and year‑round use, giving you a long‑lasting and dependable structure that outperforms typical hobby greenhouses.
Yes. Every modular steel frame greenhouse kit is built to handle the extreme cold, wind, and snow common in the Black Hills. The steel frame, secure paneling, and reinforced design help maintain stability and protect your plants through all four seasons.
Most customers can assemble their prefab backyard greenhouse kit in a weekend with basic tools. The panels and steel framing components arrive ready to assemble, and the modular design makes the process simple for both beginners and experienced DIYers.
No specialized skills are required. Our steel frame backyard greenhouse kits are designed for clear, step‑by‑step assembly. If you can handle basic home projects, you can build this greenhouse.