About Us

Althon are the UK’s leading designer, manufacturer and distributor of Precast Headwalls and have the largest standard product range of any manufacturer.

Althon’s website also has a Headwall Specifier Tool, making it easy to identify the most appropriate standard headwall model and the associated compatible accessories. The Specifier Tool provides links directly to the specific product drawings and datasheets for the configuration required.

Althon’s headwalls can be specified with factory fitted accessories including Penstocks, Flap valves, handrails and trash screens.

Althon have also introduced an online tool to help customers specify their Bespoke Headwall requirements. This enables Althon to design, build and supply custom headwalls to specification, promptly and efficiently.

As well as precast concrete headwalls and associated products, Althon supply drainage channels made from polymer concrete, concrete, stainless steel and GRP.

Headwall Product Overview

Althon Precast Headwalls cover the smallest outlet to largest culvert in terms of both size and capacity and are available in the following ranges:

• Sewers for Adoption Headwalls
• Rectangular Headwalls
• Sewers for Adoption Rectangular Headwalls
• Angled Precast Headwalls
• Precast Headwalls for Culverts
• Splayed Wing Wall Headwalls
• Standard Precast Concrete Headwalls
• Extra Large Headwalls
• Bespoke Precast Concrete Headwalls
• Anglian Water Approved Precast Headwalls
• Severn Trent Specification Headwalls
• Sewers for Scotland Compliant Headwalls

Each headwall can be specified with factory fitted accessories including:

• Headwalls with Flap Valves
• Headwalls with Penstocks
• Headwalls with Trash Screens and Gratings
• Headwalls with Kee Klamp® Handrails
• Headwalls with Integrated Steps
• Headwalls with Multiple Pipe Openings
• Headwalls with Cascade Panels
• Headwalls with Dissipation Blocks & Stepped

Baffles
• Headwalls with Orifice Plates
• Headwalls with Weirs

If you require any assistance or more information, visit the Althon website or contact Althon by phone on 01603 488700 or by email sales@althon.co.uk