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The use of steel Galvalume® roofs has come a long way in only thirty years of marketing. Billions of square feet of Galvalume® roofing sit atop thousands of buildings nationwide.
Galvalume® roofs are composed of 55% aluminum and 45% zinc alloy. Bethlehem Steel developed this product as a coated steel in 1972. The production of Galvalume® involves a “continuous hot-dip process”. This process involves cold rolled steel coils that are welded end-to-end and processed continuously on a coating line at high speed. The process is completed by utilizing various finishing steps that results in a sheet that is wrapped around a reel into a coated steel coil.
There is a long serviceable life attached to a Galvalume® roof which makes it the ideal roofing product. A Galvalume® roof is extremely resistant to outdoor corrosive elements. Galvalume® roofs that are painted at the factory are more aesthetically pleasing, especially those with a steeper pitch, and this will extend the roof’s durability over years of service. Galvalume® roofing is very lightweight but extremely strong. Galvalume® steel roofs do not crack and peel from exposure to the elements.
The use of a Galvalume® roof allows for excellent heat and sunlight reflectivity. Steel buildings utilizing Galvalume® roofs are kept cooler in the summer as the sunlight is reflected away and the resulting heat that could be transferred into the building is greatly reduced. Conversely, a Galvalume® roof will keep a building warmer in the winter because the inside heat will be reflected back into the building from the reflection off of the underside of the roof.
A Galvalume® roof has excellent thermal reflectivity and can significantly reduce heating costs in the winter and cooling costs in the summer. The proper insulation of the interior of the building is also crucial to reducing energy costs.
Fiberglass roll insulation is the recommended form of insulation for all steel buildings, for both the walls and the roof. There can be significant energy savings with reduced cooling and heating requirements during the serviceable life of your steel building. With a total interior insulation package along with the addition of a Galvalume® roof.
A Galvalume® roof has a lowered life cycle cost because of the minimal maintenance costs required. Galvalume® roofing is an appealing and cost-effective alternative to traditional asphalt, slate, tile, and wood coverings.
Galvalume® roofs are the preferred roof applications chosen by the overwhelming majority of steel building manufacturers and suppliers to help the durability of the building and to extend its serviceable life. Galvalume® roofs are available in a wide variety of pitches and in screw-down and standing seam roof methods.
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