Triad Associates, Inc. is one of New England’s leading designers and installers of hardscapes. Specializing in pool decks, patios, driveways, walkways and retaining walls, Triad uses only the finest in aggregate and paver materials. Triad’s humble beginnings focused on simple pool decks with aggregate finishes. Over the past 20 years, their expertise has expanded to include integrated waterfalls, outdoor fireplaces, barbecue areas, pergolas and cabanas.