FISCHER 71202 - Double thread stainless steel screw with gasket STSR A2

Description

Double thread screw TRDI The double threaded screw for photovoltaic installations on roofing corrugated sheets with wooden or concrete supporting structure Support materials: * Beams and Concrete slabs * Slab * Half-timbering Advantages: * Complete: the double thread screw TRDI is supplied preassembled with EPDM gasket, nut for tightening and pair of dice for the connection to the brackets MW or SSP. * Fast: quick installation because the cover must not be removed during installation. * Waterproof: thanks to EPDM gasket impermeability of the cover is maintained. Versions: * Screw and stainless steel bolts A2-70 according to EN ISO 3506-1 / 2; 2009 Suitable for: Reach system in corrugated sheets with: * Solar-light * Solar-fish Double screw thread Fixing TRDI: * With bonded anchor FIS V of concrete beams and slabs * With bonded anchor FIS V and FIS HK anchor network on floors in brick. * Directly on wooden beams after performing the guide hole Function: * Locate the length of the thread twin-screw TRDI as a function of the carrier support structure thickness. * Define the wheelbase of TRDI double thread screws depending on the snow and wind loads of the installation of the system area and angle of the cover. * Locate the position of the double thread screws TRDI as a function of the bearing structure and the layout of the plant. * Drill the support as a function of the screw and the kind of substrate diameter. * Fix the double thread screw TRDI to the structure carrying the cover in contact with the EPDM rubber. * Tighten the MU F flanged nut on the gasket to maintain a waterproof seal. * Fix the SSP connecting plate or MW, by adjusting the height using the MU F dice.