[Tagging] How to tag prefab / movable buildings

François Lacombe fl.infosreseaux at gmail.com
Thu Sep 27 13:05:30 UTC 2018

Agreed there are several levels of prefabrication.
Material is completely solved with material=* and no need to specialize it
to prefabrication (concrete can be used on both prefabricated and not

kind of prefabricated=yes would stand for complete prefabricated buildings
and other values may precise a particular part.
Should it be building:prefabricated or something else?


Le jeu. 27 sept. 2018 à 14:50, Martin Koppenhoefer <dieterdreist at gmail.com>
a écrit :

> sent from a phone
> On 27. Sep 2018, at 14:10, François Lacombe <fl.infosreseaux at gmail.com>
> wrote:
> Is there an established tag for that?
> I am not aware of established tagging, but would like to add that there
> are all kind of buildings that can be prefabricated, e.g. „famous“ German
> example:
> https://upload.wikimedia.org/wikipedia/commons/thumb/8/84/1._WBS_70_Block_%281%29.JPG/1200px-1._WBS_70_Block_%281%29.JPG
> And there are various levels of prefabrication, e.g. for a concrete
> structure you could just have the lower parts of the ceiling in concrete
> delivered and then add the formwork around it as well as the rest of the
> steel, and pour the concrete to finish (i.e. ceiling is semi prefabricated
> and completed on site), or similarly with walls (place a thin “sheet” of
> concrete at the sides instead of formwork and fill it up).
> You can also have complete walls and ceilings, and you can even have
> complete rooms that get delivered and mounted at the site (even including
> installations and finishes).
> With some material it is common to have parts prefabricated, e.g. steel
> and sometimes wood, not just concrete, and other parts like a facade in
> metal and glass also consist usually of prefabricated parts (you’re not
> gonna cut glass on site typically).
> Using prefabricated parts is standard in today’s building practice, but
> not sufficient to call a building prefabricated.
> A simple property like prefabricated=yes does not catch it. We should
> define what grade of prefabrication and which part (structure, ceilings,
> bath rooms, etc) and most important, which material (concrete, steel, etc.).
> cheers,
> Martin
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