Catawba Hardwoods is proud to carry Thermory products, a premium, naturally durable wood enhanced through a chemical-free thermal modification process that uses only heat and steam.
Thermory® offers premium, naturally durable wood enhanced through a chemical-free thermal modification process that uses only heat and steam. With over 20 years of expertise, Thermory transforms species like ash, spruce, and pine into highly stable, rot-resistant materials ideal for decking, cladding, porch flooring, and saunas. The treatment reduces moisture content to near zero, resulting in wood that resists decay, demonstrates minimal movement, and reveals rich, uniform tones throughout the plank.
Thermory wood is built to thrive in even the most extreme conditions — from coastal humidity to intense heat and freezing winters. Through a chemical-free thermal modification process, the wood becomes exceptionally stable, moisture-resistant, and naturally rot-proof. It won’t warp, cup, or decay like traditional wood, making it the ideal solution for exterior cladding, decking, and saunas that demand long-term performance with minimal maintenance.
Thermory is a top choice for sauna construction thanks to its thermal stability, low moisture absorption, and smooth, splinter-free surface. The chemical-free modification process makes it safe, natural, and ideal for high-heat, high-humidity environments.
Thermory decking combines the warmth of real wood with durability that rivals composites. Its resistance to rot, moisture, and movement makes it a reliable choice for long-lasting outdoor living spaces with minimal maintenance.
Thermory cladding offers a rich, refined look while providing superior performance in all climates. Its dimensionally stable profile resists cupping, warping, and decay, making it ideal for striking facades that stand the test of time.
