Permeable paving should be designed to manage rainwater, not used as a storage area for soil, sand or compost. Fine material can enter the joints and affect the intended drainage paths. The relationship between the driveway and adjacent planting deserves attention during both installation and everyday gardening.
Contain the source of debris
A planted bed should not continually spill soil onto the paved field. Review the edge level and how water leaves the bed. Simply raising the bed can make matters worse if runoff then carries soil across the surface.
Keep a clear distinction between planting and paving while allowing any deliberately designed water route to function. The detail needs to reflect both purposes. An edge that blocks all flow may conflict with a rain-garden arrangement, while an open junction may need sediment control.
Protect the surface during other work
Do not mix mortar or concrete directly on a permeable driveway. Arrange suitable protection for deliveries and gardening materials, following the system guidance. A quick sweep afterwards may not remove fine material that has entered the joints.
Tell other trades and gardeners which paving system is installed. They may otherwise use familiar methods suitable for conventional hardstanding without realising that the drainage construction is different.
Use the correct maintenance materials
If joints need attention, identify the specified permeable aggregate. Ordinary kiln-dried jointing sand is not a substitute. Similarly, do not apply a general coating or treatment without checking its suitability for the system.
If ponding develops, arrange an appropriate assessment rather than assuming the top layer simply needs more material. The cause could involve contamination, the lower construction or the wider drainage arrangement.
Helpful handover note: Record that the driveway is permeable, list the correct joint material and explain where soil deliveries can safely be placed. Clear information can prevent later maintenance from undermining the original design.
Discuss your project
Have a drainage or groundworks question before resurfacing? Ask Smart Paving to assess the site and explain what needs further investigation. Arrange a site visit.
Explore our drainage and groundworks service.
Related reading
- Standard and permeable block paving: the difference is below the surface too
- Can a rain garden work beside a driveway?
- Autumn driveway care: leaves, channels and the route to your door
