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Angled headwalls
Angled headwalls for drainage outfalls, culverts and watercourse interfaces. Precast or modular structures with splayed wing walls to align flows and protect embankments. Accommodate pipe inlets/outlets, trash screens, flap valves and penstocks. Used in highways, flood alleviation, SuDS, rail and utilities projects. Concrete, polymer or GRP options. Standard and bespoke sizes.
Angled headwalls - helping you find the best solution for your project.
450 Mitred Headwall - precast concrete drainage inlet for 450mm pipes
Althon 450 Mitred Headwall is a fibre reinforced precast concrete open inlet for surface water runoff, designed for pipework up to 450mm internal diameter. Inlet profile matches a 1:3 (18°) slope for swales and ponds, with a galvanised steel straight bar grating as standard and optional inline non-return valve: fibre reinforced precast concrete
Rootlok Vegetated Headwalls
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
Precast concrete headwalls
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
Angled precast concrete 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
Precast concrete headwalls with factory-fitted options
Althon Headwalls are made from precast concrete for connecting pipes, culverts, and box culverts to open watercourses. To prevent erosion, the range includes models for standard, angled, rectangular, and bespoke applications, with options for factory-fitted accessories and compliance with UK water authority standards: precast concrete headwalls
400 Mitred Headwall - precast concrete outfall for 400mm drainage pipes
Althon 400 Mitred Headwall is a fibre reinforced precast concrete open inlet for surface water runoff, suitable for pipework up to 375mm and 400mm internal diameter, with a 1:3 (18°) mitred profile matching swale and pond slopes, and supplied with a galvanised steel straight bar grating: fibre reinforced precast concrete headwall for 375mm and
AH10 left hand angled headwall
AH10 left-hand angled headwall is a precast reinforced concrete headwall for pipes with ID up to 900mm. They allow pipework entering a watercourse at an angle, or for an outfall to be sited on a river bend. Pipes can be plastic, clayware or PCC. Available with 1.25, 1.65 and 2.13m high backwalls, and 305, 610, 915, 1220 and 1420mm deep toes. Grating sockets. Anchorage brackets. Lifting points
600 Mitred Headwall - precast concrete drainage inlet for 600mm pipes
Althon 600 Mitred Headwall is a fibre reinforced precast concrete open inlet for surface water runoff, designed for pipework up to 600mm internal diameter. Inlet profile matches a 1:3 (18°) slope for swales and ponds, with a galvanised steel straight bar grating and optional inline non-return valve. Standard finish is natural concrete, with four
500 Mitred Headwall - precast concrete inlet for 500mm drainage pipes
Althon 500 Mitred Headwall is a fibre reinforced precast concrete headwall for pipework up to 500mm internal diameter, designed to manage surface water runoff into SUDS features or act as an outlet or overflow. Inlet profile matches a 1:3 (18°) slope for swales and ponds, with straight bar galvanised steel grating as standard: fibre reinforced
Precast Concrete Headwalls - SUDS compliant concrete outfalls
Althon manufactures a large range of precast concrete headwalls, covering pipes, culverts and box culverts. Precast headwalls are a cost-effective and practical alternative to in-situ construction. Designed for use in SUDS drainage schemes, for protecting watercourse outfalls from erosion and providing a compliant, durable discharge point across a
Marshalls Civils & Drainage precast concrete headwalls connect pipework up to 900mm to open watercourses, controlling erosion and soil loss at discharge points. Made from precast concrete, these headwalls are supplied in three sizes with various height options and can be pre-fitted with gratings, Hydro-Brakes®, Penstocks, or Non-return Flap
Angled headwalls - helping you find the best companies for your project.
Althon
Althon precast headwalls offer a cost effective alternative to in-situ structures for connecting pipework discharging into open watercourses. All drainage pipes discharging into open watercourses, such as swales, ditches, ponds and rivers, should be fitted with an appropriate Althon headwall. Althon headwall units can be pre-fitted with a range of
FP McCann
Manufactures precast concrete headwalls that provide an end point to outfall pipes into open watercourses including rivers, culverts, and collection and balancing ponds. The range can accommodate pipe diameters from 150 to 2100mm and is suitable for use with box culverts. Accessories such as flap valves, penstocks, silt traps, handrails and safety
3 Drumard Road, Knockloughrim, Magherafelt, BT45 8QAGeoGrow
5 Crompton Court, Attwood Road, Burntwood, WS7 3GGConcast Precast Group
Precast concrete manufacturer providing bespoke headwalls made to individual project specifications. The headwalls can be cast to any size or shape
Hazelhatch, Newcastle, Republic of IrelandCroom Concrete
Manufactures precast concrete headwalls for drainage outfall connections into open water areas, including ponds, swales and rivers. The headwalls are available in standard or bespoke sizes. Standard headwalls can accommodate internal pipe diameters up to 1600mm. Available accessories include flap valves, penstocks, safety grates and handrails
Off Church Road, Croom, Republic of IrelandJKH
The company manufactures a range of headwalls suitable for all drainage outflows into open water. Outside pipe diameters of up to 1800mm can be catered for. Most headwalls in the range are made from precast concrete, with glass-reinforced concrete products also available. Custom options include fitted flow control devices, handrails, flap valves
Chiswick Avenue, Mildenhall, Bury St Edmunds, IP28 7AYMarshalls
Marshalls manufactures off-site precast concrete headwalls designed to connect pipe outflows into open water courses
Landscape House, Premier Way, Lowfields Business Park, Elland , HX5 9HT
