The Patriots' new radiant healing/turf warming system, manufactured by Watts Radiant, uses 153,000 lineal feet, or 29 miles, of cross-linked polyethylene (PEX) pipes that feed warmth to the soil. Kolyn Marshall, engineer for Watts Radiant who designed the intricately piped system for Gillette Stadium, said that turf warming and turf conditioning systems are gaining broad and enthusiastic acceptance in the realm of professional sports, especially turf sports, such as soccer and football. The reason is a growing need to protect a team's investment, the players themselves.


According to the experts at Gillette, this layer will typically contain the main drain lines that will pull excess moisture from the field. Everything in this layer is typically supported by a covering of 1/2 in. washed stone. Above this, is a layer of 3/8 in. pea stone or something like it
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