Lightning protection
When conforming with norms rhymes with lightning protection

GDK has obtained several certifications and conforms with standard norms in terms of lightening protection systems installation.

    - NBN EN 62305-1-2-3-4
    - NBNC 18-100
    - NFC 17100/17102
    - BS 6651
    - NFC 61740
    - EN 50164
    - VDE 0185
    - EN 50164-2 : 2002