built-up roof

noun

a usually flat or slightly sloped roof that is covered with a special material applied in sealed, waterproof layers.

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The gravel on the built-up roof crunched in the darkness under my feet as I walked cautiously to the parapet and looked over its edge to the hunk of desert that stretched away toward Reno, out behind the motel.