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  2. Knob-and-tube wiring - Wikipedia

    en.wikipedia.org/wiki/Knob-and-tube_wiring

    [1] [2] It consisted of single-insulated copper conductors run within wall or ceiling cavities, passing through joist and stud drill-holes via protective porcelain insulating tubes, and supported along their length on nailed-down porcelain knob insulators.

  3. Trimmer (construction) - Wikipedia

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

    In light-frame construction, a trimmer is a timber or metal beam (joist) used to create an opening around a stairwell, skylight, chimney, and the like. Trimmers are installed parallel to the primary floor or ceiling joists and support headers, which run perpendicular to the primary joists.

  4. Soffit - Wikipedia

    en.wikipedia.org/wiki/Soffit

    curvature of e.g. plasterwork to fill the space above the kitchen cabinets, at the corner of the ceiling and wall: coving (interior design) underside of office ceiling of tiles (often gypsum) suspended, fastened or bonded to a grid system attached to the walls and/or ceiling: false/suspended ceiling (tiles/grid) or dropped ceiling

  5. Joist - Wikipedia

    en.wikipedia.org/wiki/Joist

    The term binding joist is sometimes used to describe beams at floor level running perpendicular to the ridge of a gable roof and joined to the intermediate posts. Joists which land on a binding joist are called bridging joists. [4] [5] A large beam in the ceiling of a room carrying joists is a summer beam. A ceiling joist may be installed flush ...

  6. I-joist - Wikipedia

    en.wikipedia.org/wiki/I-joist

    The rim joist depth must match the I-joist size. Mismatches can strain the joist. A similar situation occurs where the I-joist crosses a main beam. Installing squash blocks (2×4 materials 1 ⁄ 16 in or 1.6 mm higher than the I-joist) alongside the I-joists transfers the load from the I-joist onto the beam. Missed nails and glue setting too ...

  7. Furring - Wikipedia

    en.wikipedia.org/wiki/Furring

    Vertical, metal furring is applied to the wall to create a channel and receive the siding material. In construction, furring (furring strips) are strips of wood or other material applied to a structure to level or raise the surface, to prevent dampness, to make space for insulation, to level and resurface ceilings or walls, [1] or to increase the beam of a wooden ship.

  8. Open web steel joist - Wikipedia

    en.wikipedia.org/wiki/Open_web_steel_joist

    The CJ-Series Joists are capable of supporting larger floor or roof loadings due to the attachment of the concrete slab to the top chord of the composite joist. Shear connection between the concrete slab and steel joist is typically made by the welding of shear studs through the steel deck to the underlying CJ-Series Composite Steel Joist. [2]

  9. Blocking (construction) - Wikipedia

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

    Solid “bridging” to stabilize floor joists. Blocking placed as attachment points for cabinets, while doubling as bracing against compression of the studs. Blocking ( dwang , nog, noggin, and nogging) is the use of short pieces of dimensional lumber in wood framed construction to brace longer members or to provide grounds for fixings.