In classical design gutters were part of the architecture of a building.
Box gutter construction.
The water is drained via downpipe nozzles or via a sumps downpipes built into it.
Let me try to make this as simple as i can.
Typically a box gutter is trapped between two roofs that feed rainwater into it.
A box gutter internal gutter parallel gutter or trough gutter is a rain gutter on a roof usually rectangular in shape.
See reviews photos directions phone numbers and more for seamless rain gutters locations in new castle pa.
A box gutter is actually built into the bottom of the roof or into the roof overhang.
Box gutters are essentially placed between parallel surfaces as in a valley between parallel roofs or at the junction of a roof and a parapet wall.
A good box gutter design will have falls along its length together with sumps to collect water before it is fed into large downpipes.
Built in box gutters are meant to be part of the architecture.