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Metal Garages & Steel Buildings Charleston | RV & Boat Storage
Steel Buildings & Metal Garages for the Lowcountry.
Cars, RVs, boats, equipment, and more — fully customizable steel structures built on-site, rated to 160 mph, and installed by our own crew. Serving Charleston, Summerville, and the Lowcountry since 2010.
From two-car garages to 70-foot clear span structures, our steel buildings are pre-engineered and coastal-certified. They are customizable in size, layout, color, and roof style. This flexibility helps align with specific site limits and project goals.
For businesses, a metal garage can simplify equipment storage and maintenance. Our buildings are suitable for vehicles, tools, and seasonal inventory. They are certified for coastal requirements and rated for wind, snow, and corrosion resistance.
Moreover, these structures offer rapid installation and scalable sizes to meet growing needs. This makes them a practical investment for any operation.
Free Quote: (843) 832-8555
Steel Building & Garage Designs
Design Your Perfect Building in 2 Easy Steps
Step 1: Browse the designs below and note the style number that best matches what you’re looking for.
Step 2: Complete the quote form below with the style number and any custom features. A Cool Sheds team member will contact you to design and price your building.
Premium Series Clear Span Enclosed
Size: 40′ W x 40′ L x 12′ H
Estimated price: $27,658.00
Premium Series Straight Line Barn
Size: 44′ W x 40′ L x 12’/9′ H
Estimated price: $21,850.00
Premium Series Straight Line Barn
Size: 36′ W x 30′ L x 10’/8′ H
Estimated price: $16,580.00
Features & Sizes
Our steel buildings are ideal for RV storage, boat storage, multi-car garages, workshops, farm buildings, and commercial storage. All structures are wind-rated to 160 mph. Additionally, they are certified for coastal requirements and installed by our own crew. This makes them ready for immediate use.
- Standard metal garages — 12×20 up to 24×40
- Large steel buildings — up to 40′ wide × 60′ long
- Triple-wide garages — up to 50′×51′
- Barn style structures — traditional aesthetic, modern durability
- RV & boat covers — heights up to 14′ for tall vehicles
Installation Photos
Color Options
20 colors to match your home or business. For example, popular color combinations include Polar White with Charcoal. Additionally, Light Stone with Evergreen works well. Moreover, Saddle with Black also pairs nicely. Furthermore, Old Town Grey with White completes the set. Additionally, Custom color matching is available for HOA requirements.
FAQs
Labor costs for steel structures run about 50% less than wood construction because components are pre-engineered and prefabricated. Steel also resists coastal humidity, termites, and hurricanes better than wood — saving thousands in long-term maintenance. With current lumber prices, steel garages typically cost 30–40% less than traditional construction.
Yes. Steel buildings resist 160 mph hurricane winds, won’t rot or warp in humid conditions, are termite and fire resistant, and last 40+ years with minimal maintenance. Lower insurance premiums are common for certified steel structures, making them especially smart for RV and boat storage where salt air damage is a constant concern.
Yes — concrete slab, concrete footers with gravel base, or certified ground anchors depending on the structure. We handle all foundation requirements and include this in your quote for Charleston and Dorchester County installations.
Class A motorhomes need at minimum 14′ high × 12′ wide. Class C RVs and travel trailers need 12′ high × 10′ wide minimum. Add 3–4 feet to length for comfortable maneuvering. Stop by our Summerville showroom to discuss your specific vehicle dimensions.
Get Your Free Quote
Current Special: Save 10% on all RV storage buildings and boat garages — limited time offer.
Let us help you design your perfect steel structure using our advanced 3-D rendering process in just 2 easy steps!
Step 1
Browse our popular designs to find one that most closely resembles what you’re looking for, then note the building number for our reference.
Step 2
Complete the form below, including the building number and any notes you’d like to share.
A team member will review your request and contact you to design and price your new steel building or garage.
Service Areas
Primary: Charleston, Summerville, Mount Pleasant, North Charleston, Goose Creek, Moncks Corner, Hanahan. Extended: Walterboro, Georgetown, Beaufort (delivery fees may apply)