The Architectural Technologists Book, June 2022

Page 40

THE VIEWPOINT

PERMEABLE PAVING FOR REGENERATION & SUDS

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Low-intervention permeable paving overlays can transform worn-out paving and also deliver multifunctional sustainable drainage (SuDS), trees and numerous other benefits. To understand how, it’s worth reminding ourselves of the unique characteristics and attributes of modular concrete paving generally – as the trade body Interpave explains. Concrete Block Paving technology is based on high-strength, interlocking units installed with granular material filled joints and laying course. It enables small displacements between blocks, while retaining interlock, to create a particularly durable, very long-life surface over structural layers below. Decades of use internationally have demonstrated its suitability for the most taxing applications. A wide choice of shapes, styles, colours and finishes – including natural aggregates – add a richness, diversity, visual interest and a human scale to the urban environment. Re-usable Block Paving - Concrete Block Paving is slip-resistant, durable, strong and sustainable. Modular concrete paving delivers fast, low-cost installation and replacement, using weatherindependent, ‘dry’ construction. There are no curing, hot-work or noxious fume problems and only small plant and equipment is needed, with noise and disturbance minimised. With an extremely long lifespan, blocks can be taken up and re-used without processing for repairs, changing layouts, or new schemes – saving carbon and meeting ‘circular’ economy’ criteria.

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