Download Datasheet

The Althon Culvert Headwall CSP20A will accommodate box culverts with a maximum internal dimension of 1900mm wide x 700mm high. Available with a standard backwall height of 1300mm. CSP20 A precast headwall units can be factory fitted with a range of accessories such as flap valves, penstocks, Kee Klamp® handrails and a selection of gratings depending on the application. Our CSP20 A Culvert Headwall is available with toe extensions either 300 or 500mm thick with depths ranging from 400 to 1000mm.

Althon Culvert Headwalls offer a cost effective alternative to in-situ structures for connecting pipework discharging into open water courses.
All drainage pipes discharging into open watercourses, such as swales, ditches, ponds and rivers, should be fitted with an appropriate Althon headwall.

If you require any assistance or more information please contact us by phone on 01603 488700 or by email sales@althon.co.uk

CSP20 A Culvert Headwall line drawing
As standard our headwalls have a natural concrete finish.
We can offer coloured headwalls in 4 colours but the final shade is affected by many influences.
Our Headwall Products are available in a range of colours
Natural
Our Headwall Products are available in a range of colours
Cotswold
Our Headwall Products are available in a range of colours
Agate
Our Headwall Products are available in a range of colours
Raven Grey
Our Headwall Products are available in a range of colours
Everglade
Product Name
Max Internal Opening
Backwall Height
Approx Headwall Weight (kg)
CSP20 A Culvert Headwall
1900 x 700
1300
5445

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    CSP20 A Culvert Headwall + 1000 x 500mm Toe + Sloped Grating

    CSP20 A Culvert Headwall + 1000 x 500mm Toe + 3 Sided Kee Klamp

    CSP20 A Culvert Headwall + 1000 x 500mm Toe + 3 Sided Kee Klamp + Close Coupled Grating

    CSP20 A Culvert Headwall + 1000 x 500mm Toe + 3 Sided Kee Klamp + Cranked Grating

    CSP20 A Culvert Headwall + 1000 x 500mm Toe + 3 Sided Kee Klamp + Sloped Grating

    CSP20 A Culvert Headwall + 1000 x 500mm Toe + Backwall Kee Klamp

    CSP20 A Culvert Headwall + 1000 x 500mm Toe + Backwall Kee Klamp + Close Coupled Grating

    CSP20 A Culvert Headwall + 1000 x 500mm Toe + Backwall Kee Klamp + Cranked Grating

    CSP20 A Culvert Headwall + 1000 x 500mm Toe + Backwall Kee Klamp + Sloped Grating

     

    Brochures, Datasheets and Installation Instructions for CSP20 A Culvert Headwall

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