They are three-walled, UV protected modular panels with 8mm thickness, 1000mm useful width. Ridge height is 28-40mm. It is suitable for use as overlapping and is therefore preferred in industrial buildings with large spans. It can be used continuously or between trapezoidal sheet/sandwich panel. It is recommended to use with a minimum slope of 5% for use between trapezoidal sheet/sandwich panel, and with a minimum slope of 7% for continuous use. Both mouths of optional panels can be closed by heat source method after manufacture. If requested together with the panels, the necessary mounting accessories are also included in the scope of supply.