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All About Metal Roofing - 1 views

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started by kbojezhang44 on 11 Jul 19
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    Specifications

    · light weight 

    · portable 

    · durable 

    · fire resistant 

    · spark resistant 

    · wind resistant 

    · hail resistant 

    · high strength to weight ratio 

    · design flexibility - comes in large sprung curves and rolled bull-nose shapes 

    · can be recycled without losing valuable properties

    Sheet Materials

    · stainless steel 

    · copper 

    · zinc 

    · aluminum-coated alloy or zinc coated

    Lifespan for residential roofing

    · 50 plus years or up to 100 years depending on the type

    Advantages

    · the design is flexible 

    · can be installed over open frames or your existing roof 

    · reduces air-con usage by 20-30% 

    · labor efficient 

    · high energy efficiency especially for Kynar finished roofs 

    · very minimal maintenance 

    · 80% of the materials is recyclable 

    · can be a DIY depending on the type

    Disadvantages

    · for curved roofs, there is high level of noise, but few occurrence were recorded 

    · dissimilar metal can cause rapid corrosion 

    · costs about double the price of traditional shingles

    Getting the roof

    · metal roofing is ordered per piece whether in sheet, trim or ridge form 

    · sheets can be ordered pre-cut according to desired size 

    · proper estimation is required to avoid excesses

    On Remodeling

    · Metal tops can be installed over existing roof, no need to remove the old one

    Application

    · it's incredible durability makes it a versatile building material 

    · it's lineup of flexible profile and design makes it also ideal for residential structures 

    · can be used as wall covering 

    · for a modern and unique look, shapes and colors may be combined

    Material types

    · corrugated galvanized steel - wrought iron steel coated with zinc 

    · zincalume - a blend of zinc, aluminum and silicon-coated steel 

    · Metal tile sheets - usually painted or stone-coated steel 

    · stainless steel - comes in roll forms

    · aluminum - on of the most durable materials but also one of the most expensive 

    · copper - usually used for smaller areas such as entrance ways 

    · 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 entrepreneurs

    Coatings

    · ceramic coatings 

    · nanotechnology solar reflective coatings

    Maintenance

    · For Utility Grade, re-coating is required once the surface finish has faded or corroded. 

    · For stainless steel, zinc or copper, roofing maintenance is a result of installation mistakes. 

    · 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.

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