BIS RapidStrut® fixing rail system consisting of rail profiles and an extensive range of accessories: modular supporting system with non-slip anti-vibration mat for rooftop installations (HVAC installations, solar panels, walkways, pipework, cable ways...). Horizontal and vertical applications for flat and low pitched roofs. Adjustable up to 7° to compensate for roof pitch. 360º rotatable insert for BIS RapidStrut® 41x41 or DS 5. Resistant to UV and chemical influences. Optional stackable ballast block for increased weight/stability.