Cement boards are fiber-reinforced panels composed of Portland cement, sand, and cellulose or inorganic fibers designed for use in exterior siding, roofing underlayment, interior wall cladding, and fire-rated assemblies. These boards offer superior moisture resistance, dimensional stability, and fire retardancy compared to traditional gypsum boards and wood-based panels. The high tens... https://www.patreon.com/posts/cement-board-is-130678389