Fretted sheet step mm 1000 with a double chamber alveolus, made of alveolar polycarbonate, extruded with rounded edges in the central ribs for a better water outflow, fits laterally to any panel or fretted sheet currently used for the roofing. A product born for the creation of skylights in single application and continuous flat roofs ridge-gutter in multiple application, thanks to the overlap on the pitch and the overlapping on the side.
It has excellent performances: the alveolar structure in the side overlapping point drastically reduces condensation, has a greater load capacity, also thanks to the rounded central ribs, it is free from stresses and micro-cracking. It has a high light transmission value, excellent protection against UV rays and it is resistant to shocks, temperature fluctuations and hail. It is self-extinguishing in Class
1, has a good thermal insulation and, last but not least, its installation is easy and cost effective.
Available from stock in the following lengths: 3-4-5-6 meters. Profile and dimensions are shown in the pdf attached.