Double-threaded screw for fixing photovoltaic systems on corrugated panel or faux-barrel tile roofs to a load-bearing structure in wood, concrete or brick and cement.
STSR is the double-threaded screw in A2 stainless steel for fixing subframes of photovoltaic systems on corrugated panel or faux-barrel tile roofs with wooden load-bearing structure. Also suitable for installation on concrete with chemical injection mortar or in brick and cement structure with chemical injection mortar and FIS HK or FIS HN injection anchor sleeves. Incorporated EPDM gasket for sealing against rain infiltration.
