Everything you need to know about Channel Drainage Installation

Total Pipeline Systems provides products for all your above and below ground pipe requirements – including drainage channels. But how do you install them correctly?

Here we look at:

• what channel drains are
• the different types of channel drains
• where and when to use them
• what elements they comprise
• the correct installation process

What are Channel Drains?

Channel drains - sometimes called trench drains, linear drains or drainage channels - are used to remove large quantities of water from paved, tarmacked or concreted areas. They provide efficient surface water management and prevent ponding after heavy downpours.

Usually trough-shaped, channel drainage systems are covered with gratings – preventing debris causing blockages.

Types of channel drainage systems:

1. Plastic channel drains

The drainage channels we supply at Total Pipes are made from High-Density Polyethylene (HDPE) – great for applications requiring lightweight and durability. They’re also easy to transport and install, saving you time and effort.

2. Concrete channel drains

If you need high strength, chemical resistant channel drain, a concrete system is often the best choice. It combines high strength with lightweight – reducing the need for thick walls which can add to the overall product weight.

3. Channel drain gratings

We supply channel drain gratings in a range of materials, including HDPE or galvanised steel. The cheapest option of the two is the drainage channel with HDPE grating, but for a few pounds more, the galvanised steel grating guarantees a more sophisticated finish.

Where are drainage channels used?

Channel drainage systems can be used at homes, businesses and public areas – including:

• driveways and pavements
• patios and conservatories
• swimming pools and sports areas
• garages
• gardens and water features
• car parks
• airports

If you need to remove surface water from areas susceptible to flooding and overspill, you need a drainage channel, like the ones we supply at Total Pipes. Our channel drains control the flow of water by reducing the stress being put on the system.

What elements does a channel drainage system comprise?

Before you can install drainage channels, you need to make sure you have the appropriate products to supplement your needs, but rest assured we can guide and advise you.

The most important element of any channel drainage system is the channel drain. We supply A15 channel drains in 1mtr lengths and they each have a slot on one end, and a grove on the other so they can be easily connected.

An end outlet or outlet cap is also required to connect the channel drain to a 110mm drainage pipe. Our 110mm outlet cap is suitable for our HDPE drainage range and guarantees a secure fit.

Plastic or steel grating ensures the drainage channel sits flush with the ground – allowing water to flow into the drainage section easily. Both our channel drains with galvanised grating and HDPE grating conform to BS EN 1433 and load class A15.

To securely seal the highest end of the run, you’ll need a channel end cap which is available at Total Pipes for £2.30. In addition to this, a quad box will be required for quick and easy junctions and corners.

An optional element for channel drainage systems is a sump unit. It has a silt basket and internal water trap that prevents the spread of odours.

Installation process

To ensure your channel drainage system is installed correctly, we advise following the manufacturer’s instructions but will be more than happy to guide and advise you.

1. Prepare and plan

The first thing you need to do is decide where the channel drain will be installed. Having a plan will make the installation process easier – allowing you to finish sooner.

2. Dig a trench

A trench needs to be dug into the ground – deep enough for the drain to fit neatly – 2mm below the ground.

3. Drainage channel assembly

When it comes to installing a channel drain, make sure you have the correct lengths at hand. You’ll also need end caps to be fitted before assembling drainage channels.

4. Add concrete

Apply a 100mm thick layer of concrete at the bottom of the trench.

5. Insert drainage channel

You can lower the channel drainage system into the prepared trench – ensuring the seals are connected to the drain pipe. Using a mallet, gently press the drainage channel into the trench before surrounding it with backfill or concrete.

Need to know more about installing drainage channels? Don’t hesitate to get in touch with the team at Total Pipes. Call us on 01254 382 000 or email sales@totalpipes.co.uk.