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<p>Specifications</p><p>· light weight </p><p>· portable </p><p>· durable </p><p>· fire resistant </p><p>· spark resistant </p><p>· wind resistant </p><p>· hail resistant </p><p>· high strength to weight ratio </p><p>· design flexibility - comes in large sprung curves and rolled bull-nose shapes </p><p>· can be recycled without losing valuable properties</p><p>Sheet Materials</p><p>· stainless steel </p><p>· copper </p><p>· zinc </p><p>· aluminum-coated alloy or zinc coated</p><p>Lifespan for residential roofing</p><p>· 50 plus years or up to 100 years depending on the type</p><p>Advantages</p><p>· the design is flexible </p><p>· can be installed over open frames or your existing roof </p><p>· reduces air-con usage by 20-30% </p><p>· labor efficient </p><p>· high energy efficiency especially for Kynar finished roofs </p><p>· very minimal maintenance </p><p>· 80% of the materials is recyclable </p><p>· can be a DIY depending on the type</p><p>Disadvantages</p><p>· for curved roofs, there is high level of noise, but few occurrence were recorded </p><p>· dissimilar metal can cause rapid corrosion </p><p>· costs about double the price of traditional shingles</p><p>Getting the roof</p><p>· metal roofing is ordered per piece whether in sheet, trim or ridge form </p><p>· sheets can be ordered pre-cut according to desired size </p><p>· proper estimation is required to avoid excesses</p><p>On Remodeling</p><p>· Metal tops can be installed over existing roof, no need to remove the old one</p><p>Application</p><p>· it's incredible durability makes it a versatile building material </p><p>· it's lineup of flexible profile and design makes it also ideal for residential structures </p><p>· can be used as wall covering </p><p>· for a modern and unique look, shapes and colors may be combined</p><p>Material types</p><p>· corrugated galvanized steel - wrought iron steel coated with zinc </p><p>· zincalume - a blend of zinc, aluminum and silicon-coated steel </p><p>· Metal tile sheets - usually painted or stone-coated steel </p><p>· stainless steel - comes in roll forms</p><p>· aluminum - on of the most durable materials but also one of the most expensive </p><p>· copper - usually used for smaller areas such as entrance ways </p><p>· stone coated steel - these are panels made from zinc/aluminum coated steel and with acrylic gel coating</p><p>· Inverted Box Rib (IVR) - used mainly in the South African markets because of the low cost and its square roofing; very ideal for beginning entrepreneurs</p><p>Coatings</p><p>· ceramic coatings </p><p>· nanotechnology solar reflective coatings</p><p>Maintenance</p><p>· For Utility Grade, re-coating is required once the surface finish has faded or corroded. </p><p>· For stainless steel, zinc or copper, roofing maintenance is a result of installation mistakes. </p><p>· Metal roofs with Kynar finish normally don't require maintenance. In existence for about 50 years now, this type of metal roof is considered as a lifetime product.</p>
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