Coastalume - www.ussteel.com
PEACE OF MIND FOR DECADES
COASTALUME™ steel sheets deliver long-term peace of mind with a 25-year steel substrate warranty and up to 50 years of finish protection—no fresh water rinse required. Trusted by pros and contractor approved, it’s durability you can count on, backed by one of the best warranties in the industry.
Watch: Choose COASTALUME™ Steel Sheets for Maintenance-free Metal Roofing
COASTAL COVERAGE, REDEFINED
Live near the surf? No problem. Our COASTALUME™ system performs in the toughest coastal conditions, with warranty coverage extending to homes up to 300 feet from breaking surf with no restrictions from bays, marshes and other brackish bodies of water, and zero feet from intercoastal waterways.
Watch: This new coastal hotel built with COASTALUME™ Metal SheetsBUILT TO RESIST
COASTALUME™ coated steel takes on the toughest coastal challenges— without losing its edge. Its advanced finish stands strong against chalk, fade, mold, mildew, salt spray, chemical corrosion, and even graffiti. The result? A roof or wall system that stays beautiful, performs better, and requires less upkeep year after year. See the warranty.
Watch: Installer Insights: Roofing with COASTALUME™TOUGH ON WEATHER
From high winds to heavy rain, COASTALUME™ steel sheets stand strong. Our standing seam roofing and wall systems are engineered to withstand hurricane-force winds, are fire retardant, and help reduce the potential for leaks and water damage—delivering the protection your slice of paradise by the shore demands.
Watch: Why is Florida an Ideal Market for COASTALUME™ Metal RoofingFULL-CIRCLE SUSTAINABILITY
Made from U. S. Steel’s GALVALUME® product, which contains up to 90% recycled content, COASTALUME™ coated steel is 100% recyclable at the end of its life. And with a lifespan up to three times longer than asphalt shingles, it helps reduce landfill waste and promotes a more sustainable future.
DIG INTO THE DETAILS
Want to know more about what makes our COASTALUME™ system the smart choice for coastal protection? Download our fact sheet, color options, technical specifications, and warranty information—all in one place.
COASTALUME™ Coated Steel Fact Sheet COASTALUME™ Coated Steel Color Options COASTALUME™ Coated Steel Technical Specifications COASTALUME™ Coated Steel Warranty
DURABILITY
STYLE THAT LASTS—COLOR THAT ENDURES
From hurricane-force winds to the everyday elements of coastal living, COASTALUME™ steel delivers more than strength—it brings lasting color to every project, offering both architectural beauty and unmatched protection.
- Extensive Color Palette: Choose from a curated selection of vibrant, weather-resistant finishes.
- Fade-Resistant: Colors stay true, even under relentless sun and salt spray.
- Stain-Resistant: Superior resistance to color chalk and fade, mold and mildew growth, and graffiti.
- Designed for Durability: Fire retardant and engineered specially for hurricane zones.
- Minimal Maintenance: Color-matching Tedlar film tape is available for touch ups that provide long-lasting curb appeal.
COASTALUME™ doesn’t just stand up to the coast—it stands out with color that lasts. Downlod the Digital Color Book.
Tedlar® Technology
THE SCIENCE BEHIND THE SHIELD
Since 1960, DuPont™ Tedlar® has been trusted to protect surfaces in the world’s toughest environments. Now, it’s changing the game in American steel construction as a non-PFAS alternative to traditional paint coatings—and it's what gives COASTALUME™ coated steel sheets their unmatched edge.
Tedlar® PVF film offers:
- Fade & Chalk Resistance: Superior UV protection keeps your roof and siding looking fresh, even after years of sun exposure.
- Chemical Resistance: Salt spray, acid rain, and harsh chemicals don’t stand a chance—and cleanup is easy.
- Superior Formability: Tedlar® bends and flexes without cracking, making it ideal for complex architectural designs.
- Versatility in Design: Choose from a wide range of colors and finishes to match your vision.