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2. 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 ...

3. Covering (construction) - Wikipedia

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

   DTU 40.35 Ribbed Sheet Roofing from Coated Steel Sheets; DTU 40.36 Pre-painted or Non-pre-painted Aluminum Sheet Roofing; DTU 40.41 Roofing with Metal Elements in Zinc Sheets and Long Sheets; DTU 40.44 Roofing with Metal Elements in Stainless Steel Sheets and Long Sheets; DTU 40.45 Roofing with Metal Elements in Copper Sheets and Long Sheets

4. Twinwall plastic - Wikipedia

   en.wikipedia.org/wiki/Twinwall_plastic

   Although single layer polycarbonate sheeting is more flexible than polycarbonate in twinwall configuration, it still retains significant advantages over alternative materials, including glass. A typical 6mm sheet has a density of 0.72 g/cm^2 [ 6 ] and a thermal insulation R value of 0.3 m^2°C/W, while allowing 80% of visible light pass through ...

5. Roof shingle - Wikipedia

   en.wikipedia.org/wiki/Roof_shingle

   An asphalt shingle roof has flexible asphalt shingles as the ridge cap. Some roof shingles are non-combustible or have a better fire rating than others which influence their use, some building codes do not allow the use of shingles with less than a class-A fire rating to be used on some types of buildings. Due to increased fire hazard, wood ...

6. Poly(methyl methacrylate) - Wikipedia

   en.wikipedia.org/wiki/Poly(methyl_methacrylate)

   Such panels act as miniature light shelves. Such panels have been commercialized for purposes of daylighting, to be used as a window or a canopy such that sunlight descending from the sky is directed to the ceiling or into the room rather than to the floor. This can lead to a higher illumination of the back part of a room, in particular when ...

7. Smart glass - Wikipedia

   en.wikipedia.org/wiki/Smart_glass

   ICE 3 train with view into driver's cab ICE 3 train with glass panel switched to "frosted" mode. Eureka Tower in Melbourne has a glass cube which projects 3 m (10 ft) out from the building with visitors inside, suspended almost 300 m (984 ft) above the ground. When one enters, the glass is opaque as the cube moves out over the edge of the building.