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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 roof. A metal roof is a roofing system featuring metal pieces or tiles exhibiting corrosion resistance, impermeability to water, and long life. It is a component of the building envelope. The metal pieces may be a covering on a structural, non-waterproof roof, or they could be self-supporting sheets.

4. Roof seamer - Wikipedia

   en.wikipedia.org/wiki/Roof_seamer

   Progressive roller dies of the roof seamer are used to bend the metal roof panel seam into the desired shape to produce a finished seam profile. This shows a cross-section profile of the seam. Mechanically seamed standing seams (double locked) A roof seamer is a portable roll forming machine that is used to install mechanically seamed ...

5. Metal Building Manufacturers Association - Wikipedia

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

   Early in the 1900s, prior to the formation of the MBMA, metal beams and panels were used for garages with small structures and were advertised for sale in publications such as the Saturday Evening Post. The first standing seam metal roof [3] was introduced by Armco Steel Corp at the 1934 Century of Progress Exposition in Chicago. The use of pre ...

6. Covering (construction) - Wikipedia

   en.wikipedia.org/wiki/Covering_(construction)

   Roofers in Germany,. In construction, covering is the exterior layer of a building's roof. The covering ensures waterproofing by directing and collecting rainwater.It also provides mechanical protection against various external elements such as dust and intrusions.

7. 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.