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Introduced in 1968, ISO 668 currently regulates both external and internal dimensions of containers, as well as the minimum door opening sizes, where applicable. Minimum internal dimensions were earlier defined by ISO standard 1894: ' General purpose series 1 freight containers – Minimum internal dimensions ' . [ 3 ]
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.
Wall panels built of studs are interrupted by sections that provide rough openings for doors and windows. Openings are typically spanned by a header or lintel that bears the weight of the structure above the opening. Headers are usually built to rest on trimmers, also called jacks. Areas around windows are defined by a sill beneath the window ...
DIN 18101/1985 defines interior single molded doors to have a common panel height of 1985 mm (normativ height 2010 mm) at panel widths of 610 mm, 735 mm, 860 mm, 985 mm, 1110 mm, plus a larger door panel size of 1110 mm x 2110 mm. [25] The newer DIN 18101/2014 drops the definition of just five standard door sizes in favor of a basic raster ...
It is used for door openings that are too wide for a single door but where a pair of doors would be difficult for people to manoeuvre past. An example of a double margin door can be seen at the entrance to 10 Downing Street. A bench joiner will need to be aware of the correct procedure for assembly of this type of door. Firstly he will glue and ...
When opening the door manually, the opener portion is still, so the opening is smooth and quiet. Permanently engaged—the motor driven mechanism (the opener portion) is always joined to the closer (if present) and to the door. When opening the door manually, the user is also driving the opener portion, so the opening is rough and noisy.