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2. Sound transmission class - Wikipedia

   en.wikipedia.org/wiki/Sound_transmission_class

   This is because a wall with 2x4 wood stud framing spaced 16 inches develops significant resonances which are not mitigated by the cavity insulation. In contrast, adding standard fiberglass insulation to an otherwise empty cavity in light-gauge (25-gauge or lighter) steel stud partitions can result in a nearly 10 STC-point improvement.

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. Magnesium oxide wallboard - Wikipedia

   en.wikipedia.org/wiki/Magnesium_oxide_wallboard

   Magnesia boards are used in place of traditional gypsum drywall as wall and ceiling covering material and sheathing. It is also used in other construction applications such as fascias, soffit , shaft-liner and area separation, wall sheathing, and as tile backing (backer board) or as substrates for coatings and insulated systems such as finish ...

5. Framing (construction) - Wikipedia

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

   Exterior wall studs are the vertical members to which the wall sheathing and cladding are attached. [14] They are supported on a bottom plate or foundation sill and in turn support the top plate. Studs usually consist of 1 + 1 ⁄ 2 -by- 3 + 1 ⁄ 2 -inch (38 mm × 89 mm) or 1 + 1 ⁄ 2 -by- 5 + 1 ⁄ 2 -inch (38 mm × 140 mm) lumber and are ...

6. Structural insulated panel - Wikipedia

   en.wikipedia.org/wiki/Structural_insulated_panel

   A structural insulated panel, or structural insulating panel, (SIP), is a form of sandwich panel used as a building material in the construction industry. SIP is a sandwich structured composite , consisting of an insulating layer of rigid core sandwiched between two layers of structural board.

7. Toe board - Wikipedia

   en.wikipedia.org/wiki/Toe_board

   If an accident happens and a roofer loses his/her footing, the 2x4 would stop the roofer from sliding down and/or off the roof. [1] More deaths occur in falls than for any other reason in the construction profession. [2] More generally, a toe board is a small vertical barrier attached to a raised floor or raised platform.