Drainage ring

The drainage ring for an extension of the perforated basket TWOK or terraced extension of TW TER always by 33 mm. The thick-walled polyamide PA6 UV Stabil design. The size of the drainage ring hole is 15×15 mm.

Height above insulation level
TW ODK +33 mm



We offer a complete range of products for flat roof drainage systems, TOPSAFE fall protection systems and many other accessories.


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