Chosen for the new technology enabling it to allow rainwater to drain, the Subterra Stone is the latest addition to the Belgard Environmental series’ line of permeable concrete products from Oldcastle Architectural.Whereas traditional paver products merely allow water to runoff, Subterra uses a 9-1/2 percent void ratio, allowing rainwater to naturally drain through the paver into native sub soils. Click for more information
PB Topical Ref
