Purpose: Used to seal the joint between the 450 mm chamber and side riser, also any additional side risers.
Fitting Tips: Depths of less than 1.2 metres can be achieved by cutting the riser between the ribbed sections. The riser is connected to a separate chamber base with a push fit joint, fitted with a ring seal. If another riser section is used, it can be joined to the one below using the same method.
Available in Colours: Black
Range of uses: These can be used as an alternative to traditional manholes up to depths of 1.2 metres.
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