You can purchase PCI's 2012 Additives Handbook on CD for $29.95 plus shipping. The CD will also include a directory of additive suppliers and distributors. Please go ......
QUIET QURL AND NOISE CONTROL In today's multifamily markets a quiet living space is one of the most sought after amenities that a builder can offer....
A geothermal heat pump or ground source heat pump (GSHP) is a central heating and/or cooling system that transfers heat to or from the ground. It uses the earth as a ......