Largest range of precast concrete headwalls available to the UK

Althon have the largest range of precast concrete headwalls available in the UK, with models that meet Sewers for Adoption guidelines, a range of rectangular models conforming to Severn Trent Water specifications with an array of wingwall profiles, backwall widths and heights as well as being able to offer bespoke precast outfall and wingwall solutions

CAD and PDF files for specification along with datasheets and installation details are available on our website

Althon headwalls are designed & manufactured to BS EN 15258 & BS EN 13369 and can be factory fitted with accessories such as flap valves, penstocks, hand rails and gratings.