Inside two years of the Astrodome installation, 3M's Tartan Turf was laid down at Michigan Stadium. Di Sanza. Consisting of two or three layers, at present's infill is made up of sand - normally silica - and rubber that will come from recycled automotive tires. In addition to concerns by athletes, other turf criticism comes from advocacy groups who worry about potential dangers caused by the chemicals within the infill. Whereas it would not have to be watered, synthetic turf does require maintenance, including brushing and aerating, and infill have to be kept at the appropriate degree, notes Di Sanza. If opinions range about synthetic turf, xây nhà trọn gói Vĩnh Long it could be due to the vast variation in sorts of turf, stage of maintenance, quantity of use and even the installation course of.