What is Exposed Aggregate?
Exposed aggregate is a concrete finish that’s popular in gardens, pool decks, driveways and al fresco areas. It has all the functional benefits of a plain concrete surface but with added eye appeal and texture.
It’s made from a traditional concrete mix but then washed to remove the cement paste, which exposes the pebbles or stones that are mixed into the concrete.
Durability
While concrete is known for its durability, the textured surface of exposed aggregate improves on this, especially if it is layed correctly. It is commonly used for pathways and driveways, patios, gazebos, alfresco areas and pool surrounds, and offers a range of colour options.
While it is hardwearing, exposed aggregate may not be as comfortable underfoot as some other materials. Families with young children or those who prioritise comfort should consider this before installing the material. It also needs to be sealed regularly, which is not a hassle but does add an additional cost compared with regular concrete.
Exposed aggregate is resistant to stains, but spills should be cleaned quickly to prevent damage. There is a risk of weed growth between the aggregate stones or pebbles, and it might be tougher to perform repairs than with plain concrete. Repairs might also be less uniform due to the unique finish. This should not be a major concern, but should be kept in mind.
Aesthetics
Modern exposed aggregate concrete is a hard-wearing material that adds visual appeal to driveways and other outdoor areas. It is available in a range of colours to match the facade of your home and overall design commitments. It is also an eco-friendly option, as it uses recycled materials and can be poured into existing structures.
It is also a durable material that requires minimal maintenance, as it doesn’t require grout and doesn’t succumb to gaps or weeds like paved surfaces do. However, it does need to be sealed regularly to preserve its appearance.
Although the rough texture of this type of concrete increases slip resistance, it may not be as comfortable underfoot as softer options, such as wooden decking. This could be a concern for families with young children and people who prioritise comfort. Additionally, the decorative stones and pebbles on this type of concrete are prone to damage from heavy traffic or frequent use of deicing salts.
Waterproofing
Whether you’re building a pool surround, driveway or patio, exposed aggregate concrete is becoming an increasingly popular choice for Australian homes. It’s durable, aesthetically pleasing and can boost the value of your property. However, it’s important to keep in mind that concrete is not immune to damage and may require a little extra maintenance.
Unlike standard concrete, which is smoothed and has a dull grey finish, exposed aggregate has a rough surface that exposes the materials mixed in with it. These materials can include recycled products like slag and industrial waste, making it an eco-friendly option. In addition, it can be installed quickly and efficiently thanks to its easy application process.
In order to maintain its look and durability, exposed aggregate concrete must be sealed after it has cured. This protects the surface from the elements and makes it easier to clean. It’s important to choose a high-quality sealer that will offer long-lasting protection. This will help you avoid costly repairs down the road.
Safety
Whether you’re looking for a way to revamp your home, or want to add some character to your outdoor space, exposed aggregate concrete is a popular choice. It is a modern material that offers durability and beauty to any space.
This type of decorative concreting is also a safe option for public areas that receive a lot of foot traffic. Its non-slip surface ensures safety for all users, including children.
However, it is important to choose a qualified contractor for the installation of exposed aggregate. The process is time-consuming and requires special chemicals that can be harmful if not handled properly.
Like all concrete surfaces, exposed aggregate needs regular maintenance to keep it looking good. You should regularly weed the area, steer clear of harsh de-icing salts, and repair cracks promptly. You should also reseal the concrete every 1-3 years, depending on the weather and foot traffic.
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