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  2. Photographic paper - Wikipedia

    en.wikipedia.org/wiki/Photographic_paper

    Advertisement for Ansco Cyko photographic paper, 1922. Photographic paper is a paper coated with a light-sensitive chemical, used for making photographic prints.When photographic paper is exposed to light, it captures a latent image that is then developed to form a visible image; with most papers the image density from exposure can be sufficient to not require further development, aside from ...

  3. Fire door - Wikipedia

    en.wikipedia.org/wiki/Fire_door

    Fire-resistance rated door, with wire mesh glass vision panel Industrial grade fire door rated to hydrocarbon curve and blast resistance Double fire door immediately after 3-hour fire test inside a 4-hour rated Durasteel wall Double fire door after 3-hour fire test in a 4-hour Durasteel wall, during successful 45PSI (3.1 bar) hose stream test leading to a UL Listing [1]

  4. Masonite International - Wikipedia

    en.wikipedia.org/wiki/Masonite_International

    As Masonite’s door division steadily grew, the company formed an alliance with Premdor, a Toronto-based door supplier. By the 1990s, Masonite had become Premdor's largest supplier. With a desire for vertical integration and an eye on global expansion, Premdor reached an agreement to purchase Masonite from International Paper in September 2000.

  5. EN 16034 - Wikipedia

    en.wikipedia.org/wiki/EN_16034

    EN 16034 is a set of European standards which specify the technical performance characteristics for fire resistant and smoke control products, such as fire doors. Compliance with this standard requires to fulfill the requirements of the Construction Product Regulation [1] for construction products (short CPR).

  6. Drywall - Wikipedia

    en.wikipedia.org/wiki/Drywall

    Various sized cuts of 1 ⁄ 2 in (13 mm) drywall with tools for maintenance and installation . Drywall (also called plasterboard, dry lining, [1] wallboard, sheet rock, gib board, gypsum board, buster board, turtles board, slap board, custard board, gypsum panel and gyprock) is a panel made of calcium sulfate dihydrate (), with or without additives, typically extruded between thick sheets of ...

  7. USG Corporation - Wikipedia

    en.wikipedia.org/wiki/USG_Corporation

    USG's stock dipped to 28 cents per share and the corporation emerged from bankruptcy 38 days later on May 6, 1993. The corporation's debt was reduced by $1.4 billion and interest costs dropped from $320 million per year to $170 million per year. The plan worked and USG re-emerged to be a profitable corporation.

  8. Firewall (construction) - Wikipedia

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

    There are three main classifications of fire rated walls: fire walls, fire barriers, and fire partitions. A firewall is an assembly of materials used to delay the spread of fire a wall assembly with a prescribed fire resistance duration and independent structural stability. This allows a building to be subdivided into smaller sections.

  9. Chinese drywall - Wikipedia

    en.wikipedia.org/wiki/Chinese_drywall

    Drywall, also known as plasterboard, is a building material typically consisting of gypsum-based plaster extruded between two thick sheets of paper and kiln-dried.. Drywall was imported by the United States during the construction boom between 2004 and 2007, spurred by a shortage of American-made drywall due to the rebuilding demand of nine hurricanes that hit Florida from 2004 to 2005, and ...

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