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  2. Domestic roof construction - Wikipedia

    en.wikipedia.org/wiki/Domestic_roof_construction

    Warm air rises, so ceiling insulation is designed to have a higher r-value and the insulation is often installed between the ceiling joists or rafters. A properly insulated and ventilated roof is called a cold roof. A warm roof is a roof that is not ventilated, [9] where the insulation is placed in line with the roof pitch. [10]

  3. Joist - Wikipedia

    en.wikipedia.org/wiki/Joist

    [3] [4] A large beam in the ceiling of a room carrying joists is a summer beam. A ceiling joist may be installed flush with the bottom of the beam or sometimes below the beam. Joists left exposed and visible from below are called "naked flooring" or "articulated" (a modern U.S. term) and were typically planed smooth (wrought) and sometimes ...

  4. Framing (construction) - Wikipedia

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

    Interior partitions supporting floor, ceiling or roof loads are called loadbearing walls; others are called non-loadbearing or simply partitions. Interior loadbearing walls are framed in the same way as exterior walls. Studs are usually 1 + 1 ⁄ 2 in × 3 + 1 ⁄ 2 in (38 mm × 89 mm) lumber spaced at 16 in (410 mm) on center. This spacing may ...

  5. Purlin - Wikipedia

    en.wikipedia.org/wiki/Purlin

    The purlins are the large beams perpendicular to the rafters; from this shot, it appears that there are three purlins on either side of the roof. The sheathing boards are sometimes called the roof deck and are painted white. A purlin (or historically purline, purloyne, purling, perling) is a longitudinal, horizontal, structural member in a roof.

  6. Timber roof truss - Wikipedia

    en.wikipedia.org/wiki/Timber_roof_truss

    The hammerbeam roof was the culmination of the development of the arch-braced truss, allowing greater spaces to be spanned. The hammerbeam roof of Westminster Hall in London, designed by Hugh Herland and installed between 1395 and 1399, was the largest timber-roofed space in medieval Europe, spanning a distance of just over 20 metres (66 ft). [14]

  7. American historic carpentry - Wikipedia

    en.wikipedia.org/wiki/American_historic_carpentry

    American historic carpentry. The Golden Plow Tavern in York, PA, is a very unusual American building. It is built with corner post construction on the ground floor, half-timbered style of timber framing on the upper floor and has a less common style of wood roof shingles than typical in America. American historic carpentry is the historic ...

  8. Ceiling - Wikipedia

    en.wikipedia.org/wiki/Ceiling

    Ceiling. A ceiling / ˈsiːlɪŋ / is an overhead interior roof that covers the upper limits of a room. It is not generally considered a structural element, but a finished surface concealing the underside of the roof structure or the floor of a story above. Ceilings can be decorated to taste, and there are many examples of frescoes and artwork ...

  9. Truss - Wikipedia

    en.wikipedia.org/wiki/Truss

    A truss is an assembly of members such as beams, connected by nodes, that creates a rigid structure. [1] In engineering, a truss is a structure that "consists of two-force members only, where the members are organized so that the assemblage as a whole behaves as a single object". [2] A "two-force member" is a structural component where force is ...

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