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What is a Weather and UV-Resistant Fiber Cement Board?

A Weather and UV-Resistant Fiber Cement Board is an industrial-grade architectural exterior cladding material manufactured from high-density cement, silica sand, natural cellulose fibers, and UV-stable mineral pigments or hydrophobic coatings. Engineered to withstand harsh environmental exposure, these panels prevent fading, chalking, cracking, and delamination caused by intense solar ultraviolet (UV) radiation, severe freeze-thaw cycles, driving rain, and elevated humidity.

Key Technical Specifications & Physical Performance

Performance Property Standard Test & Value
Material Base High-density fiber cement with UV-stable topcoat or through-body pigmentation
UV Resistance / Accelerated Weathering ASTM G154 / ISO 4892-3 compliant (No visible color fading or surface cracking)
Fire Classification EN 13501-1 Class A2-s1, d0 / ASTM E136 (Non-combustible)
Moisture / Water Absorption Hydrophobic finish / Low water absorption (< 10%)
Freeze-Thaw Resistance EN 12467 Category A (Class 4 100+ freeze-thaw cycles)
Flexural Strength (Emodulus) > 18 – 24 MPa (High structural rigidity)
Biological Resistance Resistant to mold, fungi, algae, termites, and rot
Environmental Safety 100% Asbestos-free, Zero VOCs, recyclable
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