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Heavy-duty galvanised and powder coated height restriction barriers manufactured in the UK for controlling access by high-sided vehicles to car parks, commercial premises, industrial estates, schools and other restricted-access areas.
Manufactured from robust steel sections at our West Midlands facility, each barrier is hot-dip galvanised before being powder coated in the customer's chosen RAL colour. This duplex finish combines the corrosion protection of galvanising with the appearance and additional protective layer provided by powder coating.
Our height restriction barriers are available in a range of widths and configurations, with options including additional posts and bespoke dimensions to suit individual site requirements.
As a UK manufacturer, we can also manufacture barriers using alternative steel section sizes where required for a particular application.
UK delivery is available subject to our delivery area and postcode restrictions, with professional installation also available.

Need a bespoke size or specification? As we manufacture our height restriction barriers in-house, we can produce bespoke widths and clear heights to suit individual site requirements. Alternative steel section sizes and other modifications can also be considered depending on the application.
Our standard height restriction barriers are available with clear restriction heights of:
✔ 2.0m
✔ 2.1m
✔ 2.2m
The specified height refers to the clear vertical distance from finished ground level to the underside of the crossbeam.
Bespoke clear heights can also be manufactured where one of our standard options isn't suitable.
A height restriction barrier is a physical vehicle access-control system designed to prevent vehicles above a specified height from entering a site.
They are commonly installed at car parks, commercial premises, industrial estates, schools, leisure facilities and other restricted-access areas where access by high-sided vehicles needs to be controlled.
Manual height restriction barriers provide a straightforward and robust method of controlling vehicle height without requiring electrical power or automated operating equipment.
Opening versions can also provide controlled access for authorised high-sided vehicles when required.
A duplex finish combines hot-dip galvanising and powder coating to provide two layers of protection to the steel.
The fabricated barrier is first hot-dip galvanised, providing a protective zinc coating to the steel. A powder-coated finish is then applied over the galvanised surface in the customer's chosen RAL colour.
This combination provides the corrosion protection associated with galvanising together with the appearance and additional protective layer provided by powder coating.
A duplex finish is particularly suitable where long-term outdoor protection and a coloured finish are both important. It can be a good choice for exposed sites, commercial developments and locations where the barrier needs to complement existing fencing, gates, buildings or corporate colours.
✔ Enhanced Corrosion Protection – The steel is hot-dip galvanised before the powder-coated finish is applied.
✔ Choice of RAL Colours – Select a colour to suit the site, improve visibility or coordinate with existing equipment.
✔ Professional Appearance – Provides the protection of galvanising without being limited to the natural galvanised appearance.
✔ Suitable for Outdoor Environments – A strong option for barriers permanently exposed to changing weather conditions.
✔ Long-Term Solution – Particularly suited to projects where durability and appearance are both important considerations.
If you're unsure whether powder coated only, galvanised only, or galvanised and powder coated is the most suitable finish for your site, contact our team and we can discuss the available options.
Our galvanised and powder coated height restriction barriers are manufactured in the UK from heavy-duty steel sections and designed to provide a robust, long-term vehicle access-control solution.
Because we manufacture our barriers in-house, we can offer standard products alongside bespoke solutions to suit individual entrances, site layouts and operational requirements.
✔ UK Manufactured – Manufactured at our West Midlands facility.
✔ Heavy-Duty Steel Construction – Robust steel sections provide a strong and durable physical vehicle height restriction.
✔ Duplex Protective Finish – Hot-dip galvanising followed by powder coating provides enhanced corrosion protection together with a coloured finish.
✔ Choice of RAL Colours – Powder coating can be supplied in a range of RAL colours to suit individual site requirements.
✔ Bespoke Manufacturing Available – Bespoke widths, clear heights and alternative steel section sizes can be considered where standard options aren't suitable.
✔ Additional Posts Available – Additional posts can be supplied where required for the chosen barrier arrangement.
✔ Professional Installation Available – Installation can be arranged through our trusted installation partners.
Our height restriction barriers can be manufactured in different configurations depending on the entrance, required width and how vehicle access needs to operate.
A permanent height restriction solution for entrances where access by high-sided vehicles needs to remain restricted.
Allows the barrier section to be opened when authorised high-sided vehicles require access, before being returned to its normal restricted position.
Suitable for wider entrances where two opening sections provide a more practical arrangement. The sections meet when closed and can be opened when authorised high-sided vehicle access is required.
Additional posts can be supplied where required, including posts used to support or secure opening barrier sections depending on the selected configuration and site requirements.
Low-level locking arrangements can also be provided where required, offering easier access to the locking point.
Not sure which configuration you need? Send us your entrance width, required clear restriction height and details of how the access needs to operate, and we'll help determine the most suitable arrangement.
Selecting the correct barrier dimensions is important to ensure the intended vehicles can pass safely beneath the crossbeam while access by higher vehicles remains restricted.
When specifying your barrier, the two main measurements to consider are the clear restriction height and the required entrance width.
The stated restriction height is measured from finished ground level to the underside of the crossbeam.
Our standard clear height options are:
✔ 2.0m
✔ 2.1m
✔ 2.2m
Bespoke clear heights can also be manufactured where required.
The required width will depend on the entrance dimensions and the barrier configuration selected. Our galvanised and powder coated height restriction barriers are available in a range of widths, with bespoke sizes also available where a standard option isn't suitable.
When measuring, consider the full entrance layout as well as the position of the supporting posts and the space required for any opening barrier sections.
✔ Measure the Entrance – Confirm the required barrier width and available space for the supporting posts.
✔ Confirm the Clear Height – Determine the required clearance from finished ground level to the underside of the crossbeam.
✔ Check Ground Levels – Sloping or uneven ground should be considered because it can affect the available vehicle clearance.
✔ Consider Vehicle Types – Think about all vehicles that legitimately require access, including cars, vans, delivery, maintenance and emergency vehicles.
✔ Choose the Configuration – Decide whether the site requires a fixed, single-leaf opening or double-leaf opening barrier.
✔ Allow for Opening Space – Where an opening barrier is required, make sure there is sufficient unobstructed space for the barrier section or sections to open safely.
✔ Consider Additional Posts – Determine whether additional posts will be required for the chosen arrangement.
Unsure about your measurements? Send us your entrance dimensions, required clear height and details of how the access needs to operate. Our team can help you determine the most suitable barrier size and configuration before manufacture.