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2. Self-framing metal buildings - Wikipedia

   en.wikipedia.org/wiki/Self-Framing_Metal_Buildings

   Self-framing metal buildings are a form of pre-engineered building which utilizes roll formed roof and wall panel diaphragms as significant parts of the structural supporting system. Additional structural elements may include mill or cold-formed elements to stiffen the diaphragm perimeters, transfer forces between diaphragms and provide ...

3. List of commercially available roofing materials - Wikipedia

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

   Roofing material is the outermost layer on the roof of a building, sometimes self-supporting, but generally supported by an underlying structure. A building's roofing material provides shelter from the natural elements. The outer layer of a roof shows great variation dependent upon availability of material, and the nature of the supporting ...

4. 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.

5. Sandwich panel - Wikipedia

   en.wikipedia.org/wiki/Sandwich_panel

   Sandwich panels require the CE mark to be sold in Europe. The European sandwich panel standard is EN14509:2013 Self-supporting double-skin metal-faced insulating-panels - Factory-made products – Specifications. Sandwich panels quality can be certified by applying the quality level EPAQ

6. Roof - Wikipedia

   en.wikipedia.org/wiki/Roof

   There are two parts to a roof: its supporting structure and its outer skin, or uppermost weatherproof layer. In a minority of buildings, the outer layer is also a self-supporting structure. The roof structure is generally supported upon walls, although some building styles, for example, geodesic and A-frame, blur the distinction between wall ...

7. Roof seamer - Wikipedia

   en.wikipedia.org/wiki/Roof_seamer

   Commonly, a roof seamer is developed as an afterthought. Since roof seamers are dependent on the metal roof system being used, their development was secondary to the roof panel. A roof seamer is a development that replaced a manual process and hand tools of the past. A hammer and small anvil were tools that were used for hemming and seaming ...