Drainage

Frequently Asked Questions – Drainage

What's the difference between underground drainage and channel drainage?

Underground drainage uses pipes and fittings below ground to carry wastewater or surface water through a drainage system. Channel drainage is installed at surface level to collect water from areas such as driveways, patios and paths before directing it towards a suitable drainage outlet.

What is 110mm drainage pipe used for?

110mm underground drainage pipe is widely used in domestic and commercial below-ground drainage systems. It can be combined with compatible bends, junctions, couplings and access chambers to create the required drainage layout.

What are inspection chambers used for?

Inspection and access chambers provide access to underground drainage systems so they can be inspected, maintained and cleared if a blockage occurs. They're commonly positioned at suitable points within a drainage system, including changes of direction and connections, in accordance with the drainage design.

What size inspection chamber do I need?

The appropriate chamber size depends on factors such as the drainage layout, installation depth, number of connections and project requirements. County Building Supplies stocks Brett Martin access chamber components in different sizes. Always follow the drainage design and manufacturer's specifications when selecting a chamber.

Can an inspection chamber be installed on a driveway?

Inspection chambers can be installed within driveways when the complete chamber and cover system is suitable for the expected loading. County Building Supplies stocks different chamber covers, including options intended for pedestrian areas and driveway applications. Check the individual product specification before installation.

What is ACO channel drainage used for?

ACO channel drainage is designed to collect surface water from hard landscaped areas such as driveways, patios and paths and direct it towards an appropriate drainage outlet. County Building Supplies stocks ACO HexDrain and RainDrain products, including channels and compatible accessories.

What's the difference between ACO HexDrain and RainDrain?

ACO HexDrain and RainDrain are channel drainage systems designed for managing surface water around residential and landscaping applications. The systems have different channel constructions, grate options and accessories, so the best choice will depend on the installation and required finish. Check the individual product specifications before choosing your system.

What is Brickslot drainage?

Brickslot drainage provides a more discreet surface water drainage solution, with a narrow slot remaining visible at surface level rather than a conventional full-width grate. It's often chosen for patios, paving and landscaped areas where a less visible drainage finish is preferred.

How do I connect channel drainage to an underground drain?

Channel drainage systems can usually discharge through compatible outlets and fittings into an appropriate drainage system. The exact connection method depends on the channel system, outlet position and underground drainage layout, so always follow the manufacturer's installation guidance.

Do underground drainage pipes need to be laid at a fall?

Gravity drainage systems require an appropriate gradient so water and waste can flow through the pipework effectively. The required fall depends on the drainage design, pipework and application, so installation should follow the project specification and relevant Building Regulations.

Can I mix drainage fittings from different manufacturers?

Drainage products that appear to be the same nominal size aren't necessarily guaranteed to connect correctly. It's best to use compatible pipes and fittings and check manufacturer specifications before combining components from different systems.

Do you deliver drainage products?

Yes. County Building Supplies offers local delivery for drainage products and other building materials across our trading area. Product availability and delivery options may vary depending on your location and order size, so contact your nearest branch for more information.