Wedge Box numbers W1, W2 & W3 (Carson)

A single wall chamber ideal for CATV chambers and Water Industry applications. Three popular sizes. As currently used by Virgin Media. Strength of chamber obtained by the concrete surround. Also known as Carson boxes.

Product CodeOptionDimensions DepthWeightLoadingMaterialHeightWidthRecess DepthDiameterInner Opening DimensionsOuter Opening DimensionsLockingOver Hinge Plate DimensionsWaterwayNo. of SegmentsDesigned to BS1247Kerb ProfileCBR Puncture ResistanceElongationTensile StrengthPore SizePermeabilityRoll Size
380x230mmWedge Box W1Footway Lo
550x315mmWedge Box W2Footway Lo
730x460mmWedge Box W3Footway Lo
File 404-Chambers.pdf - (329.80 KB)

A full range of concrete infilled and Ductile covers and frames are available to suit. Technical: Wedge boxes are made by Carson from Foamed High Density Polyethylene (HDPE).

  • FW1, Wedge 1
  • FW2, Wedge 2
  • FW3, Wedge 3