Gully Cover Slabs / Raisers
Elite Precast manufactures high-quality precast concrete gully covers and raisers designed for precise height adjustment within surface water drainage systems.
Engineered for durability and dimensional accuracy, our gully risers provide a reliable solution for achieving correct finished surface levels across highways, commercial developments, housing schemes and infrastructure projects throughout the UK.
What is Gully Cover Slabs / Raisers?
Manufactured in accordance with BS 5911-6, Elite Precast Gully Cover Slabs or Gully Risers are available in both square and 'U' shaped options, to give greater customer choice, for positioning next to kerb edges, with handling recesses for lifting brackets, to service the needs of those on-site.
They are installed between the gully pot and the frame and cover to:
Raise or fine-tune surface level alignment
Ensure proper water capture
Maintain load-bearing performance
Provide long-term structural stability
Using precast units ensures accuracy, speed of installation and compliance with industry standards.
Why Choose Elite Precast
With decades of precast expertise, in-house engineering support and a proven delivery record on projects of every scale, Elite Precast is the partner specifiers trust. We pair robust, repeatable manufacturing with the flexibility to engineer bespoke solutions when a standard product will not do.
Key Features & Benefits
Manufactured from high-strength precast concrete
Designed for accurate height adjustment
Suitable for heavy-duty load classifications
Available in standard and bespoke sizes
Easy installation
UK manufactured
Gully covers have a 450mm access hole to suit 450mm gullies
Available in square and 'U' shaped options for kerb-side positioning
Handling recesses for lifting brackets
Why Choose Gully Cover Slabs / Raisers?
Precast concrete offers superior structural and performance benefits compared to alternative materials:
High compressive strength
Designed for heavy traffic loading
Resistant to environmental exposure
Factory-controlled manufacturing
Consistent dimensions
Long service life with minimal maintenance
Increases the speed of installation
Eliminates weak spots and vertical jointing
Great stability, preventing movement
Our gully covers and raisers are manufactured under strict quality procedures to ensure reliability on every project.
Brickwork jointing can lead to potential weak spots. Precast concrete gully covers eliminate this. Precast concrete gully covers sit flush to the kerb, enhancing overall stability and ensuring a neat finish.
Finish & Appearance
Appearance of a hairline crack in a seating ring or gully cover does not signify failure or a cause for rejection.
Compliance & Technical Support
Manufactured in accordance with BS 5911-6. Products are compatible with standard UK gully systems and can be supplied in a range of sizes and depths.
Bespoke Options
Available in standard and bespoke sizes to suit specific project requirements.
Gallery
Full specifications
Use cases
Important downloads
- DownloadGully Cover Slabs GuidancePDF850 KB
Frequently Asked Questions
What is a concrete gully raiser?
A concrete gully raiser is a precast unit used to adjust the height of a road gully so that the frame and cover align correctly with the finished surface level.
Are gully raisers suitable for highways?
Yes. Precast concrete gully raisers are designed to withstand heavy traffic loads and are commonly used in highway and infrastructure projects.
What sizes are available?
Gully covers and raisers are available in standard UK sizes, with bespoke dimensions available on request to suit specific project requirements.
Why use precast concrete gully risers instead of brickwork?
Precast units provide greater strength, faster installation, improved consistency and better long-term durability compared to traditional brickwork construction. Brickwork jointing can lead to potential weak spots; precast concrete gully covers eliminate this. Precast units also sit flush to the kerb, enhancing overall stability and ensuring a neat finish.
Are your gully covers compliant with UK standards?
Yes. Our products are manufactured in accordance with relevant British Standards and drainage industry best practices.
What is the access hole size of gully cover slabs?
Gully covers have a 450mm access hole to suit 450mm gullies.
Are precast gully covers suitable for heavy traffic?
Yes. They are designed to withstand high traffic loads, including heavy goods vehicles.
How do gully covers help prevent flooding?
They allow water to flow efficiently into drainage systems, reducing surface water build-up and flood risk.
Can gully covers be installed quickly?
Yes. Precast units are delivered ready to install, reducing on-site time and labour.
Do gully covers require maintenance?
They require minimal maintenance but should be inspected regularly as part of standard drainage system upkeep.
Are these covers safe for driveways and footpaths?
Yes. They provide a stable, secure surface suitable for both pedestrians and vehicles.
Are gully covers suitable for adoption by local authorities?
Yes. They are designed to meet relevant standards for adoptable drainage schemes, including highway and sewer adoption requirements.
What standards do adoptable drainage systems need to meet?
They typically need to comply with specifications such as Section 38 (roads) and Section 104 (sewers), depending on the project.
UK Manufacturing & Nationwide Delivery
Every product is manufactured in the UK to recognised quality standards and delivered nationwide on a fleet built for site access. The result is shorter lead times, full control over quality, and the confidence of working with a British manufacturer.
Need Gully Cover Slabs / Raisers on a project?
Request a quote or talk to our technical team.