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Twin Wall Series
Twin Wall Series
  • A board range of Twin wall one-piece chambers in various lengths, widths and height
  • Certified and approved for EN124 B125 and EN124 C250 applications
  • Cover options in ductile iron and concrete
  • Drop-in covers with the frame
  • Bottom plates / floors
  • Options of using “as-dug”, gravel or concrete backfill
Twin Wall Series

Extreme Duct Entries

With 36 duct entries drilled into this EN124 C250 Twinwall chamber it still acheived a vertical weight loading of over 12.5 tonnes (EN124 B125)


Specification Sheets
Twinwall Box Series
Carson Product Catalogue
All Specification Sheets are in Adobe Format
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