Althon design and manufacture precast concrete headwalls to meet Sewers for Adoption and Severn Trent Guidelines.
We have ranges of Sewers for Adoption 7th Ed. and Severn Trent Water specification compliant headwalls. Althon Precast Headwalls offer a cost-effective alternative to in-situ headwalls pipework discharging into attenuation ponds, rivers, ditches, swales and tidal environments.
Our product range includes, but is not limited to flap valves, penstocks and stop logs as well as trash screens and outfall safety grilles. In addition, we also manufacture precast concrete penstock chambers and offer a large range of commercial and industrial application drainage channels.