● The installation of the gutter system 100 may require the use of a single corner piece (it can be used both as an internal and external corner piece) in the event of a 90° change in application direction, at the meeting points of the various perimeter pitches external roof or internal converging pitches. ● The single corner is a Bi-System accessory and can therefore be assembled to the eave profiles using both the gluing and gasket systems.

The gutter system has the function of collecting rainwater from the roof and conveying it within a disposal network made up of downspouts, wells, siphons and underground pipes.