We can handle the heat.

Empire fireplace insert

Heat-Resistant Coatings

Hentzen engineers custom formulations to meet the high temperature specifications of your application. Our solutions withstand extreme temperatures ranging from 400ºF to 1400ºF, while resisting corrosion and climatic conditions.


Charcoal grill cooking cheeseburgers
Motorcycle exhaust pipes
Heavy equipment exhaust stack
Broilmaster charcoal grill
Empire visual flame heater
Hearth & Home Heat & Glo 8000CLX gas fireplace

Formulated to solve unique functional challenges.

When you need a high temperature coating manufactured specifically for your substrate, demanding environment, or specialty application, we’re ready to deliver. Working with clients to solve unique situations sets us apart and has led to product innovations such as our patented Star Resistant (SR) Wrinkle powder coating, among other industry firsts. Challenge Hentzen to help you develop the coating you’ve always imagined. We’ll create the perfect solution for your high-heat performance requirements.

Liquid Coatings

Hentzen’s heat-resistant liquid coatings are specially engineered to withstand extreme temperatures ranging from 400ºF to 1400ºF for prolonged periods. Liquid coatings are available in a full range of custom colors with physical properties from flat, satin and gloss, to smooth and textured finishes—all with remarkable hardness.


Therma-Zen™ coatings are superior, heat-resistant liquid coatings engineered to protect various ferrous and non-ferrous metallic substrates subjected to prolonged, elevated temperatures. Therma-Zen™ coatings—designed for CRS, stainless and aluminized steel substrates—deliver excellent corrosion resistance, good weathering properties and superior over-bake stability.

Typical Applications: Fireplace and stove inserts, grills and accessories, exhaust pipes, engine parts, furnaces, lighting fixtures and other high-temperature applications.

Automated robotic powder coating

Dedication to innovation.

Hentzen is always investing in technology and talented team members to remain on the forefront of emerging coating technologies. Our diverse, unsurpassed range of testing equipment and procedures enables our chemists to push the limits of environmental and real-world usage in condensed timeframes to bring products to market faster.