Paving a safe surface for seniors to walk on

Earlier this summer, Federation Housing, a nonprofit developer of retirement homes, installed a 502-m2 (1650-sf) permeable pavement at its Samuel A. Green House in Elkins Park, a closed-in suburb of Philadelphia. The pavement was for walkways and a circular patio at Gil Rosenthal Garden of Peace, located in the...
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Waterproofing for plaza decks

Plaza decks suffer from an identity crisis. They have multiple definitions and names—are they roofs? Floors? Driveways? Courtyards? Vegetative decks? Located over parking areas, arcades, or water storage reservoirs, they may be large (the size of a city block) or small (just a square meter or two).
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