Order by midnight ET. Get your samples by 10:30 a.m. Always FREE.
ARTISTRY. PERFORMANCE. SUSTAINABILITY. We don’t just supply wood building materials—we are artisans of innovation. ThermalPro Wood thermally modified cladding, rainscreen, and decking create a canvas of natural beauty rooted in performance and environmental responsibility. Through a chemical-free thermal modification process, the wood’s durability and stability are enhanced without compromising its natural integrity. Safe for both exterior and interior applications, ThermalPro Wood delivers lasting performance with confidence—no toxins, no treatments, no worries. Each product is crafted to elevate architectural design while aligning with modern sustainability goals. From bold façades to refined interior spaces, ThermalPro Wood is ready to grace your next project.

Headquarters
335 North Constitution Avenue, New Freedom, Pennsylvania 17349
336.574.0111 x126
Enhances the natural beauty and long-term durability of real wood · Increased density for exceptional stability and extended lifespan · Crafted with all-natural, non-toxic, low-emitting materials and finishes · Naturally resistant to weather, insects, rot, and dimensional movement · Supports green building initiatives and may contribute to LEED credits · FSC®-certified materials available
Wide selection of hardwoods and softwoods to realize precise design intent · Milled to standard or bespoke profiles for interior and exterior applications · Unfinished thermally modified wood develops a naturally elegant silver patina over time · Available in 16 custom, all-natural, low-VOC finishes for environmentally conscious design
All-natural process using heat and steam or heat and pressure to refine the wood's cellular structure · Hydrophobic wood that resists water absorption and ensures dimensional stability · Naturally protected: removes organic compounds that attract insects and mold · Enhanced durability while maintaining 100% sustainability · Refined aesthetic: preserves and elevates the natural beauty of real wood · Premium specification-ready: engineered for high-end architecture and design projects
Pioneering a new approach to thermally modified wood products · Fully customizable—your vision guides the design, and we bring it to life · Experts in wood building materials, committed to simplifying products and procurement · Innovation without limits—exploring the expanding possibilities of thermally modified wood · A proud brand of Spartan Forest Products, combining expertise with quality