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  2. Flat (theatre) - Wikipedia

    en.wikipedia.org/wiki/Flat_(theatre)

    The boards are laid out on edge on the shop floor, the ends are glued together and stapled or screwed. Keystones and corner blocks are not normally used. Once assembled, the flat can be covered with 1 ⁄ 4-inch (6.4 mm) or 1 ⁄ 8-inch (3.2 mm) decorative plywood, which is glued on and stapled. The toggles in a Hollywood flat are placed on 2 ...

  3. Architectural acoustics - Wikipedia

    en.wikipedia.org/wiki/Architectural_acoustics

    Symphony Hall, Birmingham, an example of the application of architectural acoustics. Architectural acoustics (also known as building acoustics) is the science and engineering of achieving a good sound within a building and is a branch of acoustical engineering. [1]

  4. Lath and plaster - Wikipedia

    en.wikipedia.org/wiki/Lath_and_plaster

    Lath and plaster is a building process used to finish mainly interior dividing walls and ceilings. It consists of narrow strips of wood which are nailed horizontally across the wall studs or ceiling joists and then coated in plaster. The technique derives from an earlier, more primitive process called wattle and daub. [1]

  5. Gypsum - Wikipedia

    en.wikipedia.org/wiki/Gypsum

    Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO 4 ·2H 2 O. [4] It is widely mined and is used as a fertilizer and as the main constituent in many forms of plaster, drywall and blackboard or sidewalk chalk.

  6. Harsh noise wall - Wikipedia

    en.wikipedia.org/wiki/Harsh_noise_wall

    Harsh noise wall, also known as wall noise, noise wall, or HNW, is an extreme subgenre of noise music, described by music journalist Russell Williams as "a literal consistent, unflinching and enveloping wall of monolithic noise".

  7. Plasterwork - Wikipedia

    en.wikipedia.org/wiki/Plasterwork

    The tools used to plaster walls. Plasterwork is construction or ornamentation done with plaster, such as a layer of plaster on an interior or exterior wall structure, or plaster decorative moldings on ceilings or walls.

  8. Retaining wall - Wikipedia

    en.wikipedia.org/wiki/Retaining_wall

    A retaining wall is designed to hold in place a mass of earth or the like, such as the edge of a terrace or excavation. The structure is constructed to resist the lateral pressure of soil when there is a desired change in ground elevation that exceeds the angle of repose of the soil.

  9. Wattle and daub - Wikipedia

    en.wikipedia.org/wiki/Wattle_and_daub

    A wattle and daub house as used by Native Americans of the Mississippian culture. The wattle and daub technique has been used since the Neolithic period. It was common for houses of Linear pottery and Rössen cultures of middle Europe, but is also found in Western Asia (Çatalhöyük, Shillourokambos) as well as in North America (Mississippian culture) and South America ().