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2. What's the Actual Difference Between Sheetrock and Drywall? - AOL

   www.aol.com/whats-actual-difference-between...

   Drywall is a flat construction material that's used to create walls, ceilings, and other interior features, ... Size and Thickness. Drywall boards come in three common sizes: 4x8 feet, 4x10 feet ...

3. 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 ...

4. Lath and plaster - Wikipedia

   en.wikipedia.org/wiki/Lath_and_plaster

   In use as early as 1900, rock lath (also known as "button board," "plaster board" or "gypsum-board lath"), is a type of gypsum wall board (essentially an early form of drywall) with holes spaced regularly to provide a 'key' for wet plaster. [3] Rock lath was typically produced in sheets sized 2 by 4 feet (610 by 1,220 mm).

5. 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.

6. Sound transmission class - Wikipedia

   en.wikipedia.org/wiki/Sound_transmission_class

   In recent years, [when?] gypsum board manufacturers have started to offer lightweight drywall board: Normal-weight gypsum has a nominal density of 43 pounds per cubic foot (690 kg/m 3), and lightweight drywall has a nominal density of 36 pounds per cubic foot (580 kg/m 3). This does not have a large effect on the STC rating, though lightweight ...

7. Gypsum block - Wikipedia

   en.wikipedia.org/wiki/Gypsum_block

   A gypsum block is made of gypsum plaster and water. The manufacturing process [1] is automated at production plants where raw gypsum (CaSO 4 ·2H 2 O) is ground and dried, then heated to remove three-quarters of the bound water and thus transformed into calcium sulfate hemihydrate (CaSO 4 ·½H 2 O), also known as gypsum plaster, stucco, calcined gypsum or plaster of Paris.

8. Lath - Wikipedia

   en.wikipedia.org/wiki/Lath

   Metal lath and plaster walls can be twice as resistant to fire as drywall, and are capable of achieving a two-hour fire rating with a 2-inch-thick (5.1 cm) assembly. Two inches of plaster and lath can also achieve the same decibel rating as 4 + 7 ⁄ 8 inches (12 cm) of drywall. [15]

9. Tin ceiling - Wikipedia

   en.wikipedia.org/wiki/Tin_ceiling

   Tin panels today are made in 24-by-24-inch (610 mm × 610 mm) and 24-by-48-inch (610 mm × 1,220 mm) sizes for easier handling and one-person installation. Today, most tin ceiling manufacturers actually use recycled blackplate steel in a thickness of only 0.010 inches (0.25 mm). There are some manufacturers who also use actual tin plated steel ...