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2. Roof seamer - Wikipedia

   en.wikipedia.org/wiki/Roof_seamer

   The steeper the pitch, the greater the roof seamer may have to work to ascend and descend the roof panels. Fastening method: Mechanically seamed standing seam roof systems use a hidden fastener system. This system consists of a "clip" that is fabricated out of metal and attached to the structure's substrate with screws. When the panels are ...

3. List of commercially available roofing materials - Wikipedia

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

   Another advantage of copper roofing systems is that they are relatively easy to repair. 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.

4. Exterior insulation finishing system - Wikipedia

   en.wikipedia.org/wiki/Exterior_insulation...

   In the United States, the International Building Code and ASTM International define Exterior Insulation and Finish System (EIFS) as a non-load-bearing exterior wall cladding system that consists of an insulation board attached either adhesively, mechanically, or both, to the substrate; an integrally reinforced base coat; and a textured protective finish coat.

5. Flat roof - Wikipedia

   en.wikipedia.org/wiki/Flat_roof

   A TPO roof system can be fully adhered, mechanically fastened, or ballasted, although TPO roof systems are rarely ballasted, since the ballast covers up the surface of the roof and negates the reflective property of white TPO. TPO seam strengths are reported to be three to four times higher than EPDM roofing systems.

6. Metal roof - Wikipedia

   en.wikipedia.org/wiki/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.

7. Membrane roofing - Wikipedia

   en.wikipedia.org/wiki/Membrane_roofing

   Membrane roofing is a type of roofing system for buildings, RVs, ponds, and, in some cases, tanks. It is used to create a watertight covering to protect the interior of a building. It is used to create a watertight covering to protect the interior of a building.