Althon manufacture concrete headwalls with penstocks. We factory fit the penstocks to our precast headwalls ensuring they fit properly every time and reducing installation time on site. Factory fitting penstocks to headwalls means the headwalls do not have to be drilled once on site.

We can fit multiple penstocks to a single headwall and offer penstocks fitted to concrete headwalls in HDPE & stainless steel grade 316L.

If you would like to specify a headwall with penstocks please fill out our Headwall Design Request Form and we will email you back CAD and PDF drawings.

You can also visit the Precast Headwalls section of our website or the penstocks section.


If you require any assistance or more information please contact us by phone on 01603 488700 or by email