Front doors which are secure against break-ins ensure the safety of your home

Safety as a matter of principle

Groke employee drilling security pins

Tested and certified

Quality assurance


To ensure that the doors manufactured are actually of the same quality level as the sample door tested, manufacturing is subject to ongoing third party monitoring with regular verification tests. (DIN CERTCO)

Resistance class RC 2

Resistance class RC 2

Opportunistic burglars use screwdrivers, pliers and wedges to break into the closed and locked component within 3 minutes. Doors of this resistance class offer protection against forced entry for this time.