SITE PREPARATION


With decades of predictable performance, concrete block permeable paving has


enforcement action or legal problems when the house is sold.


STRAIGHTFORWARD GUIDANCE Inerpave’s ‘Paving for Rain’ guide offers straightforward advice using either concrete block permeable paving or rain gardens, where conventional paving simply drains to a landscaped depression, maybe with plants. In both systems, water is held back on your property during heavy storms to avoid flooding and filtered to remove or trap pollution. What happens next depends on the ability of


the ground to absorb water and whether you want to make use of the rainwater, for example for irrigation.


PAVING AND TREES IN HARMONY Climate change has highlighted the importance of trees and other plantings for carbon storage, urban cooling, shading, biodiversity and wellbeing. But irrigation is important – particularly in summer – and permeable paving can provide a gradual supply of clean water. Although urban trees and paving have traditionally been seen as in conflict, this


shown itself to be a particularly reliable and multifunctional SuDS technique


is not the case with concrete block permeable paving which works in harmony with trees, allowing air, as well as water, to reach tree roots, so that they grow downwards and don’t damage the paving over time.


Chris Hodson is consultant to the trade association Interpave


26 www.sbhonline.co.uk


jan/feb 2022


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