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2. Metal roof - Wikipedia

   en.wikipedia.org/wiki/Metal_roof

   Standing seam metal roofs can have a lower pitch than asphalt shingle roofs because shingled roofs need a higher pitch to keep the wind from blowing up the shingles and potentially blowing them off in high winds. Standing seam metal roofs come in sheets up to or sometimes more than 30 feet (9.1 m) long and widths of 12, 14, 16 or 18 inches (300 ...

3. List of commercially available roofing materials - Wikipedia

   en.wikipedia.org/wiki/List_of_commercially...

   Standing-seam metal roof with concealed fasteners. Mechanically seamed metal with concealed fasteners contains sealant in seams for use on very low sloped roofs, suitable for roofs of low pitch such as 0.5/12 to 3/12 pitch. Flat-seam metal with or without soldered seams. Steel coated with a coloured alloy of zinc and aluminium. Stone-coated ...

4. Copper in architecture - Wikipedia

   en.wikipedia.org/wiki/Copper_in_architecture

   Flat locked and soldered seam roofing systems are typically used on flat or low-pitched roofs. They are also used on curved surfaces such as domes and barrel vaults. Flat seam unsoldered copper roofing is a shingle-like option for high slope applications. Mansard roofs are used on vertical or nearly vertical surfaces. For the most part, these ...

5. Flat roof - Wikipedia

   en.wikipedia.org/wiki/Flat_roof

   Flat roof in Warszawa Centralna railway station in Poland (1975) A flat roof is a roof which is almost level in contrast to the many types of sloped roofs. The slope of a roof is properly known as its pitch and flat roofs have up to approximately 10°. [1] Flat roofs are an ancient form mostly used in arid climates and allow the roof space to ...

6. Roof seamer - Wikipedia

   en.wikipedia.org/wiki/Roof_seamer

   A roof seamer is a portable roll forming machine that is used to install mechanically seamed structural standing-seam metal roof panels, as part of an overall metal construction building envelope system. The machine is small and portable to be handled by an operator on top of a roof. The machine is applied to the overlapping area when two ...

7. Metal Building Manufacturers Association - Wikipedia

   en.wikipedia.org/wiki/Metal_Building...

   In 1970, the MBMA had 25 members with sales of $363 million. This decade saw the industry advance through a number of new developments. The standing seam roof system [5] came into wide production and use during these years. Additionally, modern coating systems for both metal roofs and walls allowed metal buildings to incorporate a variety of ...