CETCO offers a complete line of grouting products for the geothermal heat loop installation industry. All CETCO geothermal grouting products offer ease of mixing and pumping, and have low permeability, which exceeds state guidelines.  CETCO geothermal grouting products are designed to achieve a broad range of thermal conductivities from 0.40 to 1.21 Btu/hr/ft/F (ASTM D-5334). All are NSF/ANSI Standard 60-certified.  Contact CETCO at 800-527-9948 to learn more.  www.cetco.com/dpg