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  2. Popcorn ceiling - Wikipedia

    en.wikipedia.org/wiki/Popcorn_ceiling

    Popcorn ceiling. A popcorn ceiling, also known as a stipple ceiling or acoustic ceiling, is a ceiling with one of a variety of spray-on or paint-on treatments. [1] The bumpy surface is created by tiny particles of vermiculite or polystyrene, which gives the ceiling sound-deadening properties. Mixtures are available in fine, medium, and coarse ...

  3. Dropped ceiling - Wikipedia

    en.wikipedia.org/wiki/Dropped_ceiling

    A dropped ceiling is a secondary ceiling, hung below the main (structural) ceiling. It may also be referred to as a drop ceiling, T-bar ceiling, false ceiling, suspended ceiling, grid ceiling, drop in ceiling, drop out ceiling, or ceiling tiles and is a staple of modern construction and architecture in both residential and commercial applications.

  4. Acoustic plaster - Wikipedia

    en.wikipedia.org/wiki/Acoustic_plaster

    Acoustic plaster. Acoustic plaster is plaster which contains fibres or aggregate so that it absorbs sound. Early plasters contained asbestos, but newer ones consist of a base layer of absorptive substrate panels, which are typically mineral wool, or a non-combustible inorganic blow-glass granulate. A first finishing layer is then applied on top ...

  5. Architectural acoustics - Wikipedia

    en.wikipedia.org/wiki/Architectural_acoustics

    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] The first application of modern scientific methods to architectural acoustics was carried out by the American physicist Wallace Sabine in ...

  6. Akoustolith - Wikipedia

    en.wikipedia.org/wiki/Akoustolith

    Akoustolith was a patented product of a collaboration between Rafael Guastavino Jr. (the son of Rafael Guastavino) and Harvard professor Wallace Sabine over a period of years starting in 1911. It was used to limit acoustic reflection and noise in large vaulted ceilings. [1] Akoustolith was bonded as an additional layer to the structural tile of ...

  7. Acoustic panel - Wikipedia

    en.wikipedia.org/wiki/Acoustic_panel

    Acoustic panels (also sound absorption panels, soundproof panels or sound panels) are sound-absorbing fabric-wrapped boards designed to control echo and reverberation in a room. [1] Most commonly used to resolve speech intelligibility issues in commercial soundproofing treatments. Most panels are constructed with a wooden frame, filled with ...

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