The beauty of Permeable Concrete

Permeable concrete and open textured tarmac are two common paving materials used in construction projects. While both materials offer some level of permeability, permeable concrete, particularly a no fines concrete, is considered to be a better and stronger option than open textured tarmac. Here's why:

1. Permeability: Permeable concrete, as the name suggests, is designed to allow water to pass through the surface and into the ground. The permeability of the concrete is achieved by using a low water-to-cement ratio and minimising the use of fine aggregate. This creates interconnected voids within the concrete, allowing water to filter through the surface and into the ground. In contrast, open textured tarmac may allow some water to drain through the surface, but it is not as effective at preventing water runoff.

2. Durability: Permeable concrete is a highly durable material that can withstand heavy traffic and harsh weather conditions. The use of a low water-to-cement ratio and minimal fine aggregate also reduces the risk of cracking and potholes over time. It is also resistant to freeze-thaw cycles, which can cause damage to other types of pavement. Open textured tarmac, on the other hand, may be prone to cracking and potholes over time, especially in areas with extreme weather conditions.

3. Environmental benefits: Permeable concrete is an eco-friendly choice because it can help to reduce the heat island effect and improve air quality. The interconnected voids in the concrete also act as a natural filter, removing pollutants and contaminants from rain water runoff before it reaches the ground. It can also help to reduce the amount of rainwater runoff, which can carry pollutants and contaminants into waterways. Open textured tarmac, on the other hand, may contribute to the heat island effect and does not offer the same environmental benefits as permeable concrete.

4. Low maintenance: Permeable concrete requires minimal maintenance and can be easily cleaned with a pressure washer. The interconnected voids in the concrete also allow for air and water to circulate beneath the surface, preventing the buildup of standing water and debris. In contrast, open textured tarmac may require more frequent maintenance, such as filling in cracks and potholes, and can be more difficult to clean.

When it comes to resin bound paving, a no fines concrete base is the perfect choice. Resin bound paving is a type of paving material that consists of small stones or aggregates bound together with a clear resin. The resin is applied to a base layer, which is typically made of concrete. A no fines concrete base is ideal for resin bound paving because it offers a strong and stable base that is also permeable.

The lack of fine aggregate in no fines concrete means that the surface is more porous than traditional concrete. This allows the resin to bond better to the concrete, creating a strong and durable surface. The porosity of the concrete base also allows water to drain through the surface and into the ground, reducing the risk of standing water and preventing damage to the resin surface.

In summary, permeable concrete, particularly a no fines concrete, offers superior durability, environmental benefits, and low maintenance requirements compared to open textured tarmac. When it comes to resin bound paving, a no fines concrete base is the perfect choice because it offers a strong and stable base that is also permeable, allowing for better bonding of the resin and reducing the risk of standing water, while giving a stronger base that will not dip unlike and open textured tarmac base.

Bespoke Resin will only use a No Fines Concrete for all our Resin Bound Driveways, Resin Bound Patios and Resin Bound Pathways.  

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