Insulated heat-retention covers from Industrial & Environmental Concepts are custom-designed in R-values ranging from R-4 to R-17 to accommodate local conditions. The insulation is protected by an outer shell of high-density polyethylene. The cover reduces heat loss and effectively retains water temperature, which promotes nitrification and BOD removal. The design allows for water elevation fluctuations and removes rainwater without pumps. 952/829-0731; www.ieccovers.com.
