Welcome to the new Althon Website

Althon Ltd (formerly Allpipe Ltd), part of The MAG Group of companies, is a business specialising in the design, treatment and management of surface water run off from all types of construction sites.

Our extensive product range allows engineers and contractors to choose the most appropriate and cost-effective options ..more..

Latest News

Althon introduce 30 new headwalls to their range with the publication of new brochure.

Althon introduce 30 new headwalls to their range with the publication of new brochure.

Due to increased demand for their range of cost effective, simple to install Precast Concrete Headwalls Althon now have in excess of 40 designs.

more details >>

Althon Suds
Althon Suds

Including: The SEL Source Control System, The SEL Tree Protection System, SEL Rainwater Harvesting Systems, SEL Sudstex Permafilter Geotextile, SEL Permafoam

Althon Headwalls
Althon Headwalls

Althon PCC Headwalls & Silt Traps offer a cost effective alternative to in-situ structures for connecting pipework discharging into open watercourses.

Althon High Capacity
Althon High Capacity

The Althon High Capacity Channel Drainage System is a range of glass reinforced concrete channels in widths of up to 600mm.

Althon Pipe and Ground Equipment
Althon Pipe and Ground Equipment
Althon Ltd's range of Pipe and Ground Equipment offers an extensive choice of pipe testing, drainage maintenance and cleaning equipment.
Virtual Curtain

The SEL Virtual Curtain® is a patented ventilation system that is driven beneath the surface into migration pathways to effectively intercept and dilute hazardous gases present within the ground. The SEL Virtual Curtain® installation will intercept any groundbourne gases, dilute to safe acceptable levels and disperse passively to atmosphere.