S-5-Z- and S-5-E- Clamp Families Now Have National Technical Approval

All components in Germany related to fixing solar products for PV installations needs to carry a German approval by the DIBt (German Center of Competence for Civil Engineering—Authority of the German Government). The S-5-Z- and S-5!-E-Clamps now have the national technical approval. No: Z-14.4-719.

April 20, 2017


The S-5-Z-Clamps were tested on all the following international round bulb seam profiles:

  • Kalzip-Aluminium-Stehfalzprofil from Kalzip
  • BEMO-FLAT-ROOF from Bemo
  • ALUFALZ and FALZ-RIPP from Aluform

The S-5-Z-Clamp, S-5-Z-Mini and S-5-Z-Mini-FL are currently the only clamps on the market with an approval for all these relevant round bulb seam profiles.

The tests for the S-5-E-Clamps were made on the Rheinzink double-folded seam system.

The S-5-E-Clamp, S-5-E-Mini and S-5-E-Mini-FL are currently the only clamps on the market with an approval for this double-folded standing seam roof.

Each clamp was tested in all four load directions:
The S-5-E- und S-5-Z-Clamps families have been tested according the test program for the general approval by the DIBt. The extensive test procedure was made by the well-known institute KIT (Karlsruhe Institute of Technology).

The test results proved the outstanding performance produced by S-5! clamps. Combined with the versatile possibilities of fixing on the S-5!® clamps they are the best choice to attach almost everything without penetration to the roof. The S-5!® Clamps offer reliability, permanence and holding strength unmatched by any other attachment system.