Permeable Pavers:
Patio, New York
Voids between the pavers are filled with crushed stone; when rain passes through the pavers’ joint spaces, it flows down into an underneath layer of bluestone gravel and about an inch of crushed stone which filters the water. Under all that, a liner captures the rainwater, and it is pitched so it pushes water towards the underground reservoir. www.deckandpatio.com