Waterproof Thermally Modified Box Beams

Waterproof Thermally modified real wood box beams Designed to keep seams tight and joints true over time. Because the wood is heat-treated, it expands and contracts 5–10× less than traditional lumber, helping prevent gaps, twisting, and seasonal movement. Suitable for both interior and exterior applications and backed by a lifetime warranty against cupping, warping, and rot. Available in Cypress, Red Oak, White Oak, and Antique Heart Pine. From 4x4 to 10x10, with wider sizes available upon request. Smooth face, hand hewn, or circular saw marks. Ceilings. Beams. Entryways. Exterior. Real wood. Built for real life. Priced per linear foot. Learn more about waterproof solid hardwood flooring