It is the industry standard, and mandated by the FTC, but does that make it good? We think it is, but despite its long-standing and ubiquitous use, misinformation still abounds about what R-value really is.
Driven by increasing energy costs, energy security concerns and demands for better thermal performance, building standards and codes now require higher minimum R-values for walls.
Spray-foam has a reputation of providing superior insulating qualities compared to fiberglass batt, mineral wool, cellulose, and other insulation alternatives.
