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.
Sto Corp., the innovative world leader in cladding, air barrier, coatings, and restoration systems has introduced StoTherm ci XPS, a fully-tested, highly energy-efficient system which provides air and weather tightness and long-lasting thermal performance and durability.
