When you're planning a project that will require kerbing, you'll need to have a firm understanding of the purpose the kerbing has to fulfil. Perhaps the kerbing is simply required to retain the boundary of the road and prevent its structural integrity from being compromised, or perhaps it needs to act as a clear barrier between pedestrians and vehicles. Kerbing can also be used to block vehicles from entering or exiting certain areas and it can act as a channel to promote surface water drainage. There are several types of kerbing and each type has its own set of qualities. Here's an overview of four popular options.
Extruded Kerbing
Extruded kerbing blocks are constructed with asphalt or concrete and are typically used on long, straight roads. Their size makes these kerbing blocks difficult to work with for anything other than separating the road from a pedestrian walkway and also makes them unsuitable for any form of decorative or hard-landscaped kerbing. However, they offer good value for money and their solid construction makes them durable and long-lasting.
Natural Stone Kerbing
Natural stone kerbing is on the more expensive end of the price spectrum, but it's also a very durable option that can last for decades with no issues. Granite, sandstone and basalt are often used to make natural stone kerbing, and this type of kerbing comes in a variety of sizes, which makes it a good option when curved kerbing is required, such as on residential streets.
Pre-Cast Concrete Kerbing
Pre-cast concrete kerbing is hydraulically-pressed, which makes it strong, and it's also a relatively inexpensive option. These kerbing blocks come in a range of shapes and profiles including quadrants and splayed. They are also available with a plain or decorative finish, which has made them a popular choice for prestige schemes and residential projects.
Plastic Kerbing
Plastic kerbing is made of recycled materials and is lightweight yet strong. This type of kerbing is hollow, but the concrete used during the laying process does partially fill the internal void. These kerbing blocks are quick and easy to lay and without close inspection, they are indistinguishable from concrete kerbing. They come in a variety of sizes and shapes and are ideal for creating a dropped crossing or creating a barrier in busy, built-up areas.
For more information on kerbing options, or if you'd like a breakdown of the composition of a particular type of kerbing, contact your local merchant.
Share24 February 2021
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