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  2. Wood preservation - Wikipedia

    en.wikipedia.org/wiki/Wood_preservation

    Posts and poles can be treated directly on endangered areas, but should be treated at least 30 cm (0.98 ft) above the future ground level. The depth obtained during regular steeping periods varies from 5 to 10 mm (0.20 to 0.39 in) up to 30 mm (1.2 in) by sap pine.

  3. Sleeper wall - Wikipedia

    en.wikipedia.org/wiki/Sleeper_wall

    Essentially it is a wall in the way that it is constructed but a sleeper in the way that it functions. Stretcher bond or header-stretcher bond can be used in these walls. sleeper wall can also refer to a retaining wall made from railroad ties. It is used to prevent erosion. It can be made from bricks or concrete blocks. The wall is often used ...

  4. Retaining wall - Wikipedia

    en.wikipedia.org/wiki/Retaining_wall

    A basement wall is thus one kind of retaining wall; however, the term usually refers to a cantilever retaining wall, which is a freestanding structure without lateral support at its top. [2] These are cantilevered from a footing and rise above the grade on one side to retain a higher level grade on the opposite side.

  5. Railroad tie - Wikipedia

    en.wikipedia.org/wiki/Railroad_tie

    A railroad tie, crosstie (American English), railway tie (Canadian English) or railway sleeper (Australian and British English) is a rectangular support for the rails in railroad tracks. Generally laid perpendicular to the rails, ties transfer loads to the track ballast and subgrade , hold the rails upright and keep them spaced to the correct ...

  6. Timber framing - Wikipedia

    en.wikipedia.org/wiki/Timber_framing

    wall-plates (at the top of timber-framed walls that support the trusses and joists of the roof). When jettying, horizontal elements can include: The jetty bressummer (or breastsummer), where the main sill (horizontal piece) on which the projecting wall above rests, stretches across the whole width of the jetty wall. The bressummer is itself ...

  7. Panelling - Wikipedia

    en.wikipedia.org/wiki/Panelling

    39 in (990 mm) wainscoting using 3 in (76 mm) tongue and groove pine boards. Panelling (or paneling in the United States) is a millwork wall covering constructed from rigid or semi-rigid components. [1] These are traditionally interlocking wood, but could be plastic or other materials.

  8. Shiplap - Wikipedia

    en.wikipedia.org/wiki/Shiplap

    Shiplap is either rough-sawn 25 mm (1 in) or milled 19 mm (3 ⁄ 4 in) pine or similarly inexpensive wood between 76 and 254 mm (3 and 10 in) wide with a 9.5–12.7 mm (3 ⁄ 8 – 1 ⁄ 2 in) rabbet on opposite sides of each edge. [1] The rabbet allows the boards to overlap in this area.

  9. Concrete sleeper - Wikipedia

    en.wikipedia.org/wiki/Concrete_sleeper

    Old concrete sleepers can be used for things like retaining walls, else they might be crushed to recycle gravel and the steel reinforcing. [9] Special sleepers may be necessary on extremely sharp curves, such as the new triangle at Newmarket, New Zealand on the 1,067 mm (3 ft 6 in) gauge of radius 95 m (312 ft).