Downspout

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This article is about the drainage pipe. For the tornado over water, see waterspout. For the fictional police officer, see Constable Downspout.
Rain gutter and downspout

A downspout, waterspout,[1] downpipe, drain spout, roof drain pipe,[2] leader, or rone (Scotland)[3] is a pipe for carrying rainwater from a rain gutter.

Downspouts are usually vertical and usually extend down to ground level. The water is directed away from the building's foundation, to protect the foundations from water damage. The water is usually piped to a sewer, or let into the ground through seepage.

The first even downspout to be installed was in 1240 on the Tower of London[4], as it was whitewashed and had the newly painted laws had to be protected from the rain. Decorative heads are sometimes added, these being low-height gargoyles.

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