Permeable Paving Options - The modern solution for driveways and paths

Monday 09 January 2023 11:30

image of a house with a resin bound driveway, front garden and a tree

Permeable paving is the future of external surfacing. Whether in urban or rural residential properties or larger commercial areas, permeable paving solutions are likely to become the industry standard.

This blog will go through the fundamentals of permeable paving, why it is so popular, and which permeable solutions are the best available.

What is Permeable Paving?

Permeable paving is a type of paving surface that allows water and other liquids to pass through it into the base beneath. This process is called infiltration.

A permeable surface is porous which means it has many tiny gaps in the material that makes up the surface, therefore allowing water to pass through it. Another kind of permeable surface may feature a number of solid, impervious blocks such as block paving where gaps between the blocks give it permeability.

Benefits of Permeable Paving

Permeable paving solutions are growing in popularity because they help tackle a number of issues that come with impermeable surfaces such as tarmac, asphalt and concrete, these include:

Reducing Surface Runoff

Surface runoff occurs when water travels over the land surface rather than being absorbed. Too much surface runoff can cause a number of issues for built-up areas, including flooding and pollution. It can also lead to water ingress and damp issues for homeowners.

A porous surface allows more water to pass through the ground into the earth below.

Reduces the risk of floods

Many flash floods in urban areas are partially caused by excessive surface runoff where drainage systems hit their limits and the remaining water has nowhere to go.

Permeable paving helps prevent flooding by allowing some of this water to be absorbed into the ground thus reducing the pressure on urban drainage systems.

Reducing Pollution

Permeable paving acts as a natural filtration system as the water passes through. With impermeable paving, because water cannot penetrate the surface, it instead runs along the surface picking up foreign bodies and pollutants as it makes its way to the drainage system.

Permeable paving reduces the surface water's exposure to dirty pollutants.

Types of Permeable Paving 

With permeable paving for driveways becoming more and more popular, there are a few different types of options to choose from including:

  • Resin Bound Surfacing

  • Loose Gravel

  • Concrete block permeable paving

  • Permeable Asphalt

  • Concrete-supported grass paving

Permeable Resin Bound Paving

A resin bound system is a surface solution that is laid by mixing dried aggregates with resin. 

This creates a mixture of material that is trowelled onto a surface, providing an attractive uniform surface which is flat but porous. 

This flat surface has many tiny gaps between the aggregates, allowing water to pass through. This is one of the key selling points of a resin bound system. There are many other benefits too, which you can read about through our knowledge centre on resin bound benefits.

Permeable Loose Gravel 

Loose gravel is one of the simplest paving solutions around. It is cheap to buy and install and is permeable due to there being nothing in place. This means it requires regular maintenance, tidying and replacement of stones if any become displaced.

a close up image of loose gravel and lavender flowers

Concrete Block Paving 

Concrete block permeable paving, also known as CBPP is a surfacing solution made by laying numerous bricks or other solid and impermeable blocks down, individually, with space in between for water to drain through.

image showing a person wearing gloves laying down block paving

Permeable Asphalt

There are varieties of porous asphalt which have been developed to give asphalt surfaces better drainage. This is very useful for car parks and other larger public spaces.

image of a tarmac road with yellow road markings

Concrete-supported Grass paving

Concrete-supported grass paving, or, 'grassblock' is a common choice for large outdoor areas. 

This kind of paving is made of interconnecting stone blocks laid in a continuous pattern, with grass being allowed to grow through the gaps.

This naturally leaves much of the natural earth exposed, making water absorption easy while giving the surface sufficient strength for heavy usage.

image showing weeds coming through the paving surface

Why consider Permeable Resin Bound Paving?

Out of all available permeable paving options, a resin bound system offers the broadest range of practical and visual benefits.

Resin BoundTarmacConcreteBlock PavingP.I.CResin Bonded
Non Fade
Slip Resistant
Weed Resistant
Frost Resistant

A resin bound system gives you total flexibility in design, is hard-wearing and very easy to clean and maintain.

an infographic image showing how resin bound surfaces are permeable through good water drainage

Why are Permeable Paving Options becoming so Popular?

Permeable paving surfaces are becoming more popular as awareness grows of the issues associated with impermeable surfaces in built-up areas.

Urbanisation has led to increased flooding risks and as a consequence, all new driveways have to comply with SUDS regulations. You can find more information about SUDS through our comprehensive training notes.

More Information 

We hope that the above blog showcases the different permeable paving options for homeowners and landscapers and why they are the go-to surfacing solutions for driveways.

At Derbyshire Specialist Aggregates, we are the manufacturer of DALTEX, the No.1 brand in Resin Bound Surfacing in the UK.

We source materials from all over the United Kingdom and worldwide, to provide an unrivalled range of colours, sizes and shapes to suit all applications.

If you're thinking about permeable paving for your home and want to know more about Resin Bound surfacing, then call our sales and technical support team today on 01629 636 500 or fill in our customer form below to find a DALTEX installer in your area!

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