Fireproofing innovators
since 1875.
For over 150 years, Isolatek has been recognized as a trusted advisor in the fireproofing industry. We’re here to help you navigate code compliance, project sequencing, application efficiency, and product selection—so your jobs run smoothly and stay on schedule. We’re also leading the way in fireproofing innovation, developing next-generation solutions for the challenges you face today. Need expert guidance on your next project? Let’s talk.
Our Brands






The industry's fireproofing experts
No one in our space has one quarter of the years and depth of experience in technical sales and support. We are the unquestioned fireproofing experts.
Unmatched product breadth
The industry’s most complete offering including spray applied fireproofing, intumescent fireproofing, rigid board fireproofing and thermal acoustical cellulose insulation.
The fireproofing innovators
Since 1875, we have led this industry with the latest products and advancements—from Fendolite® and Blaze-Shield® to our latest innovation FireSolve®—we’re committed to make fireproofing better, faster and safer.

Technical Support
Our Technical and Field Professionals are the most experienced in the industry. We have the expertise to support your project from the design stage to completion. We have the skills to provide detailed contractor training, while also providing on-site support to ensure that the installation of our products meets specifications and manufacturer requirements. Should a question with our products arise, our team will quickly ensure that the issue is resolved with minimal delay to the project.
UL Designs & Thicknesses
UL Designs & Thicknesses for Isolatek’s passive fireproofing materials for the commercial and construction industry.
Featured Projects
New York City, New York
New York City, New York
Orlando, FL
Rutherford, New Jersey
Washington D.C.

Cameron LNG
Hackberry, Louisiana
Dubai, UAE
Santiago, Chile
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