| Code | Color | Length mm | Width mm | Height mm | Weight g | Joint with matching exhaust |
| TGB120AN | Anthracite | 122 | 23 | 95 | 56 | GSB120AN |
| TGB120B | White | 122 | 23 | 95 | 56 | GSB120B |
| TGB120M | Brown | 122 | 23 | 95 | 56 | GSB120M |
| TGB120O | Red Brown | 122 | 23 | 95 | 56 | GSB120O |
| TGB120A | Sand | 122 | 23 | 95 | 56 | GSB120S |
● The joint with drain is completed with a specially dedicated header which gives the system the essential watertight characteristic.
● Joint headers with exhaust allow lateral closure on the right or left side.
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.