Nichiha's TuffBlock is a durable fiber cement cladding panel from Nichiha's Modern Series of Architectural Wall Panels.. It replicates the dimensional depth and texture of stone blocks or stucco while maintaining the durability and precision of an engineered system. Each 5/8-inch-thick panel is factory-sealed with a multi-layer factory finish and designed for long-term performance in both commercial and residential facade applications.

Nichiha fiber cement siding is built for the long term. The panels resist rot, pests, and moisture damage, and they maintain color integrity even under harsh UV exposure. With proper installation and minimal maintenance, these architectural wall panels can last decades without warping or delamination. Their durable structure also minimizes repainting needs and helps reduce replacement costs over time, supporting both residential and commercial building design where strength and aesthetics must endure year after year. Product warranties are 15 years.

Yes. Nichiha products are engineered for both residential and commercial building design, from retail storefronts and educational facilities to healthcare and hospitality projects. The modular AWP system allows horizontal or vertical installation—AWP 3030 supports both orientations; AWP 1818 is horizontal only—and features a built-in rainscreen for efficient moisture control. These features make Nichiha a proven solution for large facades that demand both beauty and performance. Architects appreciate the ability to mix finishes, colors, and panel sizes to produce eye-catching results on any sc