bn:00773643n
Noun Concept
Categories: All articles that may contain original research, All articles needing additional references, Construction, Roofs
EN
Flat roof  Built-up-roof  Built-up roof  Gravel stop  Protected membrane roof
EN
A flat roof is a roof which is almost level in contrast to the many types of sloped roofs. Wikipedia
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EN
A flat roof is a roof which is almost level in contrast to the many types of sloped roofs. Wikipedia
Roof Wikidata