A roof drainage system is any organized assembly of resources and procedures united and regulated by interaction or interdependence to draw off any liquid; also, that which flows out of a drain.

In the protective covering that covers or forms the top of a building.

Ref: 84743/2006-08-20

Other Database Pages Exist for this Phrase:
roof (Roof refers to a protective covering that covers. ..)
System (System refers to a group of things or parts ...)
roof drain (roof drain refers to the pipe located in the ...)
roof drainage (a gradual flowing off of any liquid; also, that ...)

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