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Foundation slab insulation

Due to its material properties, Styrodur® particularly well suited for the exterior insulation of building elements with ground contact, the so-called perimeter insulation.

The low water absorption, the high compressive strength, and the resistance to decay of the green XPS rigid foam panels enable thermal insulation under buildings and on the exterior of basement walls with ground contact.

Foundation slab

Styrodur can even be used under load-dissipating foundation slabs and in the groundwater area.

  • Installation in up to 3 layers up to a total thickness of 300 mm maximum
  • In groundwater up to 3.5 m maximum
  • Up to 20% of the rated value of the normal stress of the respective load case can be transferred to Styrodur as horizontal force (in case of single-layer installation)


Product recommendations:

Styrodur 3000 CS

Styrodur 3035 CS

Styrodur 4000 CS

Styrodur 5000 CS