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All About Metal Roofing

Specifications· light weight Â· portable Â· durable Â· fire resistant Â· spark resistant Â· wind resistant Â· hail resistant Â· high strength to weight ratio Â· design flexibility - comes in large sprung curves and rolled bull-nose shapes Â· can be recycled without losing valuable propertiesSheet Materials· stainless steel Â· copper Â· zinc Â· aluminum-coated alloy or zinc coatedLifespan for residential roofing· 50 plus years or up to 100 years depending on the typeAdvantages· the design is flexible Â· can be installed over open frames or your existing roof Â· reduces air-con usage by 20-30% Â· labor efficient Â· high energy efficiency especially for Kynar finished roofs Â· very minimal maintenance Â· 80% of the materials is recyclable Â· can be a DIY depending on the typeDisadvantages· for curved roofs, there is high level of noise, but few occurrence were recorded Â· dissimilar metal can cause rapid corrosion Â· costs about double the price of traditional shinglesGetting the roof· metal roofing is ordered per piece whether in sheet, trim or ridge form Â· sheets can be ordered pre-cut according to desired size Â· proper estimation is required to avoid excessesOn Remodeling· Metal tops can be installed over existing roof, no need to remove the old oneApplication· it's incredible durability makes it a versatile building material Â· it's lineup of flexible profile and design makes it also ideal for residential structures Â· can be used as wall covering Â· for a modern and unique look, shapes and colors may be combinedMaterial types· corrugated galvanized steel - wrought iron steel coated with zinc Â· zincalume - a blend of zinc, aluminum and silicon-coated steel Â· Metal tile sheets - usually painted or stone-coated steel Â· stainless steel - comes in roll forms· aluminum - on of the most durable materials but also one of the most expensive Â· copper - usually used for smaller areas such as entrance ways Â· stone coated steel - these are panels made from zinc/aluminum coated steel and with acrylic gel coating· Inverted Box Rib (IVR) - used mainly in the South African markets because of the low cost and its square roofing; very ideal for beginning entrepreneursCoatings· ceramic coatings Â· nanotechnology solar reflective coatingsMaintenance· For Utility Grade, re-coating is required once the surface finish has faded or corroded. Â· For stainless steel, zinc or copper, roofing maintenance is a result of installation mistakes. Â· 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.

19 views Jul 10
farrellpage4 4,860 points

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