Rectangular Channel Headwalls

Althon offer a range of headwalls with channel extensions for pipework up to 750mm. Precast channel extensions are available in sections for you to build up to a required length. Channel headwalls and extension pieces can be factory fitted with gratings, Kee Klamp handrails & walkways and all manner of flow control devices Headwall channel extension pieces are joined using turnbuckles and mastic sealant Below is an example of the RCH5 Channel Headwall.