Stud screw STSR

The stud screw for photovoltaic installations on corrugated roof with concrete or wooden load-bearing structure support


Suitable for:

  • Corrugated roof system


  • Profile Solar-light
  • Profile Solar-fish

Stud screw STSR fastening:

  • With injection system FIS V in concrete beams and slabs
  • With injection system FIS V and injection anchor sleeve FIS HK on hollow concrete slab
  • Directly on wooden beams after predrilling


  • Stud screw in stainless steel A2-70 according to UNI EN 10088-3:2005
  • Nuts in stainless steel A2-70 according to UNI EN ISO 3506-1/2;2010


  • Complete: the stud screw STSR is provided pre-assembled with EPDM washer, 1 flanged hex nut for fastening and other 2 flanged hex nuts for the connection with joint brackets MW or SSP.
  • Fast: quick installation, the roof covering has not to be removed.
  • Waterproof: the roof is keeped waterproof through EPDM washer.
  • Concrete beams and slabs
  • Concrete hollow slabs
  • Wooden beams
  • Select stud screws STSR length depending on load-bearing support structure thickness.
  • Define stud screws STSR spacing depending on snow and wind load for effective installation area and roof degree.
  • Select stud screws STSR position depending on load-bearing support structure and on layout PV installation.
  • Drill the load-bearing support structure depending on stud screw STSR diameter.
  • Fasten stud screws STSR to the load bearing support structure leading the EPDM washer in contact with the roof.
  • Tighten the flanged hex nut MU F on the EPDM washer for water proofing.
  • Secure the joint bracket SSP or MW adjusting the distance from the roof through the other 2 flanged hex nuts.