BATIDRAIN is a flat-based rigid drain D90 with a resistance of over 4 kN/m².
Specifically for the drainage of foundations, it meets all of the criteria for compliance with NF P16-379.
It is easy to handle (strips of 2 or 2.5 lm), it is installed as per DTU 20.1 with gravel and geotextile.
Did you know that ATE developed the version of BatiDrain coated with a fibre that permits installation without gravel or geotextile, under technical advice: le BATIFIBRE.