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Roof construction screw
Roof construction screw - 1
Roof construction screw - 2
Roof construction screw - 3

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Roof construction screw

Steel case hardened, special coating according to UEatc guidelines, hex drive. Fastening of roof rails and non-slip insulating materials on concrete > C 20/25, < C 35/45 (> B 25, < B 45)

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Available in 12 versions

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Variants

For use with conventional drivers

Proof of Performance
  • Tested in accordance with DIN 50018 — 15 cycles Kesternich

  • Tested according to DIN 50021 salt spray mist test
Notice

An impact screwdriver should be used for a screw-in depth of > 50 mm.



Warranty lodged with the ZVDH (Roofing Trade Association).



Attachment hardware length= roof structure + minimum screw-in depth


  • Minimum screw-in depth in concrete: ≥ 30 mm

  • Bore: 6 mm
Application area

1. Roof-waterproofing sheeting


2. Insulation material


3. Load-bearing structures (concrete)

Screw-in depthmmRecommended tensile load with 5 times increased safety
Without rotary percussion300.56 kN
Without rotary percussion401.42 kN
Without rotary percussion501.55 kN
With rotary percussion300.53 kN
With rotary percussion401.23 kN
With rotary percussion501.49 kN
  • Tested in accordance with DIN 50018 — 15 cycles Kesternich

  • Tested according to DIN 50021 salt spray mist test