Headwalls - from top UK suppliers

FP McCann precast concrete headwalls are designed as end connection points for outfall pipes discharging into open watercourses. Precast units are intended to reduce the need for on-site shuttering and in-situ concrete work. Their use is suited to locations where access is restricted or where environmental conditions require minimal disruption...

The H3G GRC headwall is a precast glass-reinforced cement headwall with an opening to suit 150mm diameter pipes and knockout webs to enlarge to 225mm and 300mm diameter pipes. Cost-effective alternative to in-situ structures for connecting drainage pipework discharging into open water courses. Nominal wall thickness 20mm. Toe depth 150mm. Stainless steel grating sockets....

Althon R7C Rectangular Headwall Range is a precast concrete headwall system for highways, motorways, and road projects, designed for pipework up to 500mm internal diameter, with multiple backwall heights and wingwall profiles: precast concrete headwall system; for pipework up to 500mm ID; multiple backwall heights: 750mm, 880mm, 1150mm; range of...

Headwalls provide much-needed protection to drainage pipes and outlets discharging water into rivers, swales, ponds and ditches. A suitable headwall will protect the area surrounding the culvert from erosion whilst retaining the embankment. As a result, the efficiency and longevity of the culvert is increased. Rootlok headwalls offer an effective...

Althon manufactures precast concrete headwalls with factory-fitted flap valves ensuring they fit properly and reducing installation time on site. Factory-fitting flap valves to headwalls means the headwalls do not have to be drilled once on site. Althon can fit multiple flap valves to a single headwall and offers flap valves fitted to concrete...

The CSP range of precast concrete box culvert headwalls from Althon is designed to offer a cost-effective alternative to in-situ structures for connecting pipework discharging into open watercourses. Suitable applications include swales, ponds, rivers and ditches. Units can be pre-fitted with a range of accessories including flap valves...

Althon standard precast concrete headwalls are designed for connecting drainage pipes to open watercourses. The range accommodates pipe sizes up to 2100mm, with options for multiple pipe openings and custom pipe positions. Factory-fitted accessories and compliance with UK water authority guidelines distinguish this product range...

Althon SP ‘Splayed Wing Wall Headwalls’ are precast headwalls produced with a higher wing walls at the front of the apron. SP precast headwalls are for inlets or outlets situated in locations with high or steep embankments or where the structure is required to provide protection to an accessory such as a flap valve, duck bill valve, stop logs or...

Althon small precast headwalls are suitable for pipe sizes ranging from 100mm to 450mm concrete or 600mm plastic pipework. Openings are cast to suit the outsider diameter of the connecting pipework. Small headwalls can be factory fitted with a range of accessories such as flap valves, penstocks, gratings and handrails: 100 to 450mm (concrete)...

Althon medium precast headwalls are suitable for pipe sizes ranging from 450 to 900mm concrete or plastic pipework. Headwall openings are cast to suit the outsider diameter of the connecting pipework. Medium headwalls can be factory fitted with a range of accessories such as flap valves, penstocks, gratings and handrails: SFA10 B, C and D...

Althon large precast headwalls are suitable for pipe sizes ranging from 750 to 1200mm concrete or plastic pipework. Headwall openings are cast to suit the outside diameter of the connecting pipework. Large headwalls can be factory fitted with a range of accessories such as flap valves, penstocks, gratings and handrails: h20C (two piece) headwalls...

Althon's concrete angled headwalls are often specified where the outfall is on a bend and the water needs to flow from the headwall at an appropriate angle to the watercourse. Angled precast headwalls allow pipework entering a watercourse at an angle to be accommodated or for an outfall to be situated on a bend in a river. Althon cast the openings...

Althon manufactures a comprehensive range of rectangular headwalls, including versions that are SFA (Sewers for Adoption) compliant...

Althon designs and manufactures bespoke precast concrete headwalls to meet site-specific requirements where standard headwalls are unsuitable. Available as large sectional structures or single units, they can be tailored to include gratings, flap valves, trash screens, handrails, walkways and step ladders...

Coloured precast concrete headwalls from Althon are particularly suitable for aesthetically-sensitive areas and can help the installation blend into the surrounding landscape. A colouring additive for cementitious materials provides a uniform, streak-free colour...

A client required a reliable, low-impact solution to manage water from an existing developed area at Castle Donington, improving and safely controlling water flow across the site while maintaining stability around the culvert and adjacent embankments. The Challenge The project called for a robust culvert with two headwalls, providing the stability...

SoluForm prefilled concrete bagwork was used to construct a durable culvert headwall in Norfolk. Bam Nuttall needed a solution to construct a secure, heavy-duty and substantial structural culvert crossing. To manage the installation and construct a robust culvert headwall, it was imperative to dewater the existing site prior to installation....

Staffordshire farm faced a significant challenge caused by land erosion. This affected access bridges between two fields, crucial for tractors and machinery, making them too narrow and unsafe for use. ...

SoluForm concrete-filled bagwork can be used to build headwalls. The bags are simple to use and can be placed by hand, either pre-soaked or hydrated in situ. The adaptable nature of the system allows for construction in various different situations, letting personnel on site work around obstacles and install in hard to access areas. ...

The ACO SuDS Swale Inlet offers a visually appealing solution for linking proprietary drainage systems to vegetated features such as: swales; basins; ponds; water Courses; rain Gardens. Unlike traditional in-situ concrete structures, the low-profile inlet blends naturally with its surroundings, enhancing the environment rather than disrupting it...

A one-piece reinforced concrete headwall to suit plastic or clayware pipes up to 300mm or PCC pipes up to 225mm. Stainless steel sockets are provided for the attachment of gratings; lifting points are cast in to each wingwall for safe handling using Althon lifting clutches; approximate weight 540kg...

A one-piece reinforced concrete headwall to suit plastic or clayware pipes up to 500mm or PCC pipes up to 450mm. Available with three standard backwall heights, 1.1m, 1.5m and 2m; lifting points cast in to each wingwall for safe handling using Althon lifting clutches; stainless steel sockets provided for the attachment of gratings and...

A one-piece reinforced concrete headwall to suit plastic or clayware pipes up to 525mm or PCC pipes up to 450mm. Available with three standard backwall heights, 1.1m, 1.5m and 2m; lifting points cast in to each wingwall for safe handling using Althon lifting clutches; stainless steel sockets are provided for the attachment of gratings and special...

A one-piece reinforced concrete headwall to suit plastic or clayware pipes up to 525mm or PCC pipes up to 450mm. Available with three standard backwall heights, 1.1m, 1.5m and 2.1m; lfting points cast in to each wingwall for safe handling using Althon lifting clutches; stainless steel sockets are provided for the attachment of gratings and special...