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2. Dropped ceiling - Wikipedia

   en.wikipedia.org/wiki/Dropped_ceiling

   Approved drop out (or drop-out) ceilings allow the installation of a dropped ceiling beneath existing fire sprinklers because the tiles, sometimes called melt-out ceiling tiles, are heat-sensitive and are designed to fall from the dropped ceiling suspension grid during a fire, allowing the sprinklers to spray their water.

3. Acoustic foam - Wikipedia

   en.wikipedia.org/wiki/Acoustic_foam

   Acoustic foam tiles are suited to placing on sonically reflective surfaces to act as sound absorbers, thus enhancing or changing the sound properties of a room. [ 11 ] This type of sound absorption is different from soundproofing, which is typically used to keep sound from escaping or entering a room rather than changing the properties of sound ...

4. Popcorn ceiling - Wikipedia

   en.wikipedia.org/wiki/Popcorn_ceiling

   Popcorn ceiling texture. 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 ...

5. Acoustic panel - Wikipedia

   en.wikipedia.org/wiki/Acoustic_panel

   Most panels are constructed with a wooden frame, filled with sound absorption material (mineral wool, fiber glass, cellulose, open cell foam, or combination of) and wrapped with fabric. [2] An acoustic board is a board made from sound absorbing materials, designed to provide sound insulation.

6. Acoustic ceiling - Wikipedia

   en.wikipedia.org/wiki/Acoustic_ceiling

   Acoustic ceiling may refer to: Dropped ceiling; Popcorn ceiling This page was last edited on 27 ...

7. The best artificial Christmas trees of 2024, tested by AOL

   www.aol.com/lifestyle/best-artificial-christmas...

   You’ll generally want to leave at least 6 inches of space between the top of your tree and the ceiling, including the height of any tree topper. So for 8-foot ceilings, a 6- or 6.5-foot tree ...