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doitBau® foundation film

Protection sheet and cleaning layer


This pressed foundation foil is made from polyethylene and effectively protects foundation walls and insulation boards from water and dirt. Its pressure resistant dimples create drainage channels and therefore work as a controlled water outlet.

  • ƒCreates an insulating air gap between wall and membrane
  • ƒƒResistant to chemicals, bacteria and fungus
  • ƒRot proof
  • ƒNon-polluting for drinking water

Technical data

Material HDPE Height dimples 8 mm
Colour Black Temperature range -30 °C bis +80 °C
Weight 400 g/m² Area of application DIN 18195
Compressive strength 150 kN/m² Length 20 m