In a market of look-alike sidings, Charter Oak TM is truly unique-with incredible rigidity designed into the product. Alside's patented TriBeamTM technology fuses an extra layer of support to the double-thick nail hem, the design produces a panel with superior rigidity. It also gives the panel exceptional wall-gripping strength, capable of withstanding winds produced by catastophic category 5 hurricanes. And, there's a lot more to Charter Oak's special appeal. Its superior rigidity and durable good looks make it the ideal siding for any building project....new construction or remodeling. Choose from natural oak grain or matte finish textures. And relax knowing you've protected your investment with the most durable siding available. Charter Oak offers classic profiles, a full palette of rich colors, and the widest variety of trim, soffit and accessory options to complement your home's appearance. Just as important, when you specify Charter Oak, your siding is backed by our Lifetime Limited Warranty and Alside's 50 years of leadership and innovation in the building products industry.