Banker Insulation serves customers around the Flagstaff, AZ area and throughout Arizona. Banker Insulation is one of the region's largest, independently owned insulation contractors. Highly skilled and deeply experienced in all phases of residential and commercial insulation, we have an unsurpassed reputation with customers in Flagstaff and across Arizona. We install fiberglass insulation, spray foam insulation, cellulose insulation, radiant barrier insulation and injection foam insulation.