Isolatek International is recognized as the world’s leading single source manufacturer, with a comprehensive range of passive fireproofing materials for steel construction.

Our extensive product line includes solutions to every fire protection design requirement including Commercial, Medium, and High density Spray-Applied Fire Resistive Materials, Intumescent Coatings, and Rigid Boards.

For over 60 years, our products have been known for their exceptional thermal performance, superior durability, and ease of application. We support our products with the industry’s most experienced team of Technical and Field professionals and our global network of approved professional installers.