The North American Insulation Manufacturers Association announced that Guardian Building Products Inc. has joined the 70-year old trade association. GPB, one of three major divisions of Guardian Industries Corp., is one of the largest fiberglass insulation manufacturers in the North America and produces light density fiberglass insulation products for use in residential and commercial applications.

"NAIMA has always served as a powerful voice for the insulation industry on issues, such as energy efficiency, sustainability, environmental preservation, and government regulation," said Ken Mentzer, president and CEO of NAIMA. "With the addition of Guardian Building Products, NAIMA's voice becomes that much stronger, and we are pleased to have them on board."