Sources: Unilock LLC, Toronto; CP staff Major hardscape unit producer Unilock is ushering a new, greener era with EcoTerra paving stones, whose face mixes are formulated with carbon-neutral, alkali-activated mineral binder. The mix design yields a highly durable, colorfast product with carbon metrics up to 15 percent below those of paving stones molded with portland cement face and base mixes.…
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