Enhancing environments through functional design. Real wood products with beauty and stability to the core. Thermory is the union of science and design. Transform your space with Thermory decking, cladding, porch flooring, and saunas that give you unequaled longevity and natural beauty that endures. Our line of hardwood and softwood products have been thermally modified - a process which increases stability and durability seven fold, and creates a beautiful rich color.