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2. 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 ...

3. 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 ...

4. Roof seamer - Wikipedia

   en.wikipedia.org/wiki/Roof_seamer

   This prevents penetrations from fasteners and screws through the metal roof panel that would be used to secure them to the structure with other types of metal roofs. Ancillary Attachments: Roof-mounted HVAC, solar panels, snow guards, and many other products are often attached to standing seam metal roofs. This additional load, attachment ...

5. 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 ...

6. Architectural metals - Wikipedia

   en.wikipedia.org/wiki/Architectural_metals

   Today, galvanized steel and pure zinc material, usually Double Locked Standing Seam panels, are used for roofing a variety of buildings. Creep has been reduced by the introduction of titanium in most architectural zinc available in North America. Galvanized nails and sheet metal ducts are also common. Architectural grade zinc is 90 to 95% recycled.

7. Copper in architecture - Wikipedia

   en.wikipedia.org/wiki/Copper_in_architecture

   Types of copper roofs include: [91] Standing seam roofing is composed of preformed or field-formed pans. The pans run parallel to the slope of the roof and are joined to adjacent pans with double-locked standing seams. Copper cleats locked into these seams secure the roofing to the deck.