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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

   The connection wires run under the ridge cap at the top of the roof. Efficiency ranges from 10–18% but costs only about $2.00–$3.00 per watt of installed capacity, compared to monocrystalline which is 17–22% efficient and costs $3.00–$3.50 per watt of installed capacity. Thin-film solar is light weight at 2.1–3.1 kg/m 2 (7

4. Corrugated galvanised iron - Wikipedia

   en.wikipedia.org/wiki/Corrugated_galvanised_iron

   The most common materials for corrugated iron are ferrous alloys (e.g. stainless steels), aluminium and copper. Regular ferrous alloys are the most common due to price and availability. Common sizes of corrugated material can range from a very thin 30 gauge (0.012 inches, 0.3 mm) to a relatively thick 6 gauge (0.1943 inches, 5 mm). Thicker or ...

5. Batten - Wikipedia

   en.wikipedia.org/wiki/Batten

   Battens are also used in metal roofing to secure the sheets called a batten-seam roof and are covered with a batten roll joint. [2] Some roofs may use a grid of battens in both directions, known as a counter-batten system, which improves ventilation. Roofing battens are most commonly made of wood or metal, but can be made of other materials.

6. Bituminous waterproofing - Wikipedia

   en.wikipedia.org/wiki/Bituminous_waterproofing

   The weight designations originated with organic base felt weighing 15 or 30 pounds per 100 sq. ft. (6.8 kg or 14 kg per 9.3 m 2). However, modern base felts are made of lighter-weight fibre, so the weight designations, though common colloquially, are no longer literally accurate. [ 2 ]

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8. Stone-coated metal roofing - Wikipedia

   en.wikipedia.org/wiki/Stone-coated_metal_roofing

   [2] In 1954, L.J. Fisher, an industrialist from New Zealand, secured the rights to produce stone-coated metal roofing outside Great Britain. The company he founded, AHI Roofing, operates the largest metal roofing factory in the world, and has continued to make changes to the metal roofing product. [3] [4]

9. Copper in architecture - Wikipedia

   en.wikipedia.org/wiki/Copper_in_architecture

   The copper is rolled to thicknesses ranging between 0.5 and 1.0 mm (1 ⁄ 64 and 3 ⁄ 64 in) (1.5–3.0 mm or 1 ⁄ 16 – 1 ⁄ 8 in for curtain walling) but a 0.6–0.7 mm (3 ⁄ 128 – 1 ⁄ 32 in) thickness is usually used for roofing.