Isolatek International is the trusted leader in passive fireproofing solutions, empowering architects and specifiers to design safer, high-performing, and aesthetically superior buildings. Since 1875, we have led the industry with unmatched product breadth and expertise, including spray-applied fireproofing, intumescent fireproofing, rigid board systems, and thermal acoustical insulation. Our innovative fireproofing technologies are used in some of North America’s most iconic structures, such as the Apple Loop, San Francisco International Airport, and the Oculus. Unlike competitors who offer limited product categories, we provide the industry's most complete offering, delivering the right fireproofing solution for each unique Read more