Corrosion-Resistant Frost-Proof Perforated Cement Board for Underground Garage

Corrosion-Resistant Frost-Proof Perforated Cement Board for Underground Garage. Class A Fire Rating: Non-combustible with zero smoke and toxicity index for maximum safety. Superior Acoustic Performance: NRC 0.7 with adjustable perforation patterns for broadband frequency absorption. Eco-Friendly Material: 100% free of asbestos, formaldehyde, benzene, and radioactive elements. Moisture Resistant: Maintains physical properties and structural stability in humid conditions. Customizable Dimensions: Thickness and perforation patterns (circular, square, slotted) are fully customizable. 5-Year Standard Warranty: Covers manufacturing defects, flame retardant performance, and formaldehyde compliance. Lightweight & High Strength: Easy to handle and install with excellent rigidity for various ceiling systems. Versatile Applications: Suitable for offices, classrooms, hospitals, hotels, and entertainment venues.