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ND RS-8 Inspection Chamber

Inspection chamber with an insulated cap made of galvanised steel, for monitoring the working of the ND Drainage System on extensive green roofs. The inspection chamber is equipped with apertures for the ND Strip 150 Drainage System for use as a linear drainage system for single-layer extensive green roofs.

ND RS-8 Inspection Chamber
Material galvinized steel
Height of chamber approx. 80 mm
Dimensions approx. 300 x 300 x 80 mm (incl. lid)
Packaging per piece


  • ND RS-8-V10 Extension Element (extension of 100 mm)
  • ND RS-8-V20 Verhogingselement (extension of 200 mm)
  • ND RS-8-R Grid Lid


  • Nophadrain Extensive Green Roof System