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2. List of commercially available roofing materials - Wikipedia

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

   Concrete roofing is composed of concrete reinforced with fibers of some sort. Structural concrete can also be used for flat roof constructions. There are three main categories, precast/prestressed, cast-in-place and shell. There are many types of precast/prestressed concrete roofing. The following are the most common types. [8]

3. Covering (construction) - Wikipedia

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

   The material is often terracotta, but it can also be concrete, glass, or metal (zinc, steel). [5] They can be installed on lathing or boarding, or even on specific tile supports. Terracotta tiles represent the primary roofing material in France and many other countries.

4. Bituminous waterproofing - Wikipedia

   en.wikipedia.org/wiki/Bituminous_waterproofing

   From 1905 to 1988, The Paraffine Paint Co. of San Francisco had Malthoid as a trademark for waterproof and weatherproof building and roofing materials made of paper and felt in whole or in part. [13] However, it had become well known before that. [14] About 1913, Paraffine promoted its Malthoid roofing materials with a 16-page booklet. [15]

5. Metal roof - Wikipedia

   en.wikipedia.org/wiki/Metal_roof

   This allowed the sheet iron to be self-supporting when used as a roof; a contemporary account praised the material as "the lightest and strongest roof (for its weight) since the days of Adam". [7] After Palmer's patent expired in 1843, corrugated galvanized iron (CGI) became a world-wide favorite roofing material. [7]

6. Waterstop - Wikipedia

   en.wikipedia.org/wiki/Waterstop

   Hydrophobic Polymer waterstops such as PVC, PE, TPV, or rubber are supplied to the construction site in coils (usually 25 m long), and are generally anywhere from 120 mm to 320 mm wide in a variety of profiles that are designed to simultaneously provide an interlock with the concrete they are installed in and to provide for a limited amount of ...

7. Double tee - Wikipedia

   en.wikipedia.org/wiki/Double_tee

   Double-tee roof structure of an indoor swimming pool. In non-residential buildings, the roof structure may be flat. Structural concrete is an alternative for flat roof construction. There are three main categories for such method: precast/prestressed, cast-in-place and shell. Within the precast/prestressed concrete roofing, the double tees are ...