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Galvalume: Proven performance…

One of the many reasons our stone-coated steel roofing is guaranteed to last is because it is made out of GALVALUME treated steel.  GALVALUME sheet steel is a 55% Al-Zn coated sheet steel product that is ideally suited for most types of roofing and siding applications as well as unexposed automotive parts, appliances and miscellaneous applications like furniture, outdoor cabinetry, computer cases, gutters, pipe, etc.  Since 1972, over *100 million tons of licensed product has been produced globally.  GALVALUME sheet steel continues to gain approval by specifiers, architects, building owners and many others due to its versatility, ease of use, aesthetics and long-term performance.

The combination of Aluminum and Zinc give GALVALUME treated steel its proven ability to resist corrosion.  I was asked recently,  “should I consider an aluminum roof so it doesn’t rust?”  I answered, “no,  you will just be giving up strength,  aluminum will dent VERY easily, weather it be from foot traffic or a hail storm.”  In addition to no real advantage of using aluminum roofing for corrosion resistance,  the cost is much higher.

Hail Damaged Aluminum Roofing:

So metal roofing has changed since the days of grandpa’s old rusted out tin roof on the barn.  You can enjoy all the benefits and strength of steel roofing and rest assured that your metal roof will not rust and last a lifetime.  Give us a call today to schedule your free in-home estimate and we will show you the difference Gerard’s Stone-Coated Steel Roofing installed by Bjorkstrand’s can make on your next re-roofing project AND your LAST re-roofing project!










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  4. Stone-Coated Steel products are unique. Stone coated and pressed into different profiles, they offer texture and style not found in traditional metal roofing products. The steel provides the perfect medium for pressing panels to resemble various conventional materials: asphalt shingles, clay tiles, concrete tiles, and wood shakes. However, unlike conventional products, stone-coated steel is lightweight, durable, freeze/thaw resistant, walkable and require little to no maintenance over the life of the roof. Unlike standing seam metal roofs, steel roofing tiles or shingles are made of interlocking and install horizontally. The 90-degrees interlocking feature aids in leak prevention, and the design keeps the panels in place during a storm. In locations with high winds and rain, or a harsh desert environment, metal roofing is becoming the choice of architects, builders and homeowners that are concerned with sustainable design, or “green” building.

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