Product advantages

The strengths of HARTAL products are:

  • Light weight, high stability and good thermal insulation due to the
    sophisticated PU foam process 
  • Pretension throughout the complete product life cycle as a result of optimal tool construction in the foaming presses for doors and locker doors
  • Robotics supported bonding technology for a wide variety of features regarding the interior trim and flush-fitted glass panels           
  • Radii without any trace of cracks achieved by means of a special anodizing process which follows the bending process 
  • All HARTALight and HARTALux products have robotic welded butt
    joints and hinges

PU foam system

The insulation is equivalent to a 80 cm
thick solid brick wall. Moreover this type
of construction represents an absolutely
watertight and rotting proof technology.



Hans Holzhauer GmbH & Co. KG
Fritz-Lürmann-Straße 21
D-58638 Iserlohn . Germany

T +49 (0) 2371 . 354 0
F +49 (0) 2371 . 354 11

international contact