31-W Insulation was started in 1972 in Millersville, Tennessee. Today is still remains under family ownership. 31-W Insulation started with two locations: Goodlettsville, Tennessee and Clarksville, Tennessee. In its 35 years of business, 31-W Insulation has grown into the second largest insulation company in the southeastern United States. Today 31-W Insulation has over 40 locations in 12 states. 31-W employees over 600 people and is self sufficient in almost every aspect of its operation, including its own truck fleet for distribution of product from the manufacturers to all of its locations.
THERMAL CONDUCTANCE (C)
A unit of heat flow that is used for a specific thickness of material or for materials of composite construction, such as laminated insulation. C=k/thickness. Units are W/m2•°K (Btu/hr•ft2•°F).
SPFA believes that the path to a healthful, safe, high-quality and performing SPF installation travels through the hands of a knowledgeable, trained, experienced, and ideally PCP-certified professional contractor.