![Walla Walla, WA - Whitehouse-Crawford Building ridge skylight 02](https://upload.wikimedia.org/wikipedia/commons/b/ba/Walla_Walla%2C_WA_-_Whitehouse-Crawford_Building_ridge_skylight_02.jpg)
A monitor in architecture is a raised structure running along the ridge of a double-pitched roof, with its own roof running parallel with the main roof. The long sides of monitors usually contain
clerestory
In architecture, a clerestory ( ; , also clearstory, clearstorey, or overstorey) is a high section of wall that contains windows above eye level. Its purpose is to admit light, fresh air, or both.
Historically, ''clerestory'' denoted an upper l ...
windows or
louver
A louver (American English) or louvre (British English
British English (BrE, en-GB, or BE) is, according to Lexico, Oxford Dictionaries, "English language, English as used in Great Britain, as distinct from that used elsewhere". Mor ...
s to light or ventilate the area under the roof.
A monitor roof looks like the roof of a traditional
sugar house
A sugar shack (french: cabane à sucre), also known as sap house, sugar house, sugar shanty or sugar cabin is a commercial establishment, primarily found in Eastern Canada and northern New England. Sugar shacks are small cabins or groups of cab ...
(building for boiling down maple syrup) but the purpose of the sugar house roof is to vent steam. Also, some
railroad passenger cars historically had monitor roofs.
See also
*
Säteri roof
References
Roofs
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