? The simple joint makes it possible to join the bars of the gutter profiles: the accessory, created with the Bi-System assembly system ? It can be applied by gluing or with a gasket (which allows better expansion of the channel in the presence of overhangs thermal) ? The accessory guarantees the linear continuity of the gutter in its pitch section.

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.