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1. Dual protection of fire and anti-theft: Double-layer galvanized steel + fireproof perlite filling, Class A fire rating and Class B security, blocking fire spread and external damage effectively.
2. Professional sound insulation and safety: 35dB sound insulation + fireproof sealing strips, paired with smart locks and 3 load-bearing hinges for stability and safe access.
3. Customizable and easy to install: Modular quick installation, customizable thickness, color and door style, adapting to diverse scenario needs.
4. Full certification for reliability: Equipped with mandatory fire safety certification, 3C fire certification and product identity authentication, passing fire inspections smoothly.
5. Durable craftsmanship: Automatic glue dispensing for tight sealing, rust-proof wear-resistant stainless steel hardware, extending service life.
Technical Parameters
Parameter Item |
Detailed Specification |
Standard Door Dimensions |
2100mm (H) × 900mm (W) × 50mm (T); customizable sizes/thickness (40/45/50/55mm options) |
Material |
Cold-rolled steel plate, filled with high-density fireproof perlite |
Surface Treatment |
Electrostatic powder coating (multi-color options) |
Fire Rating |
Class A (≥90 minutes fire resistance); optional Class B (≥60min)/Class C (≥30min) |
Sound Insulation |
35 dB (Rw) |
Security Level |
Class B |
Lock Type |
Smart Lock |
Hinge Quantity |
3 pieces |
Weight |
Approximately 45 kg |
Fireproof Structure Details |
Door leaf thickness 50mm; door leaf steel ≥0.8mm; door frame steel ≥1.2mm |
Product Introduction
This grille door is a multi-functional security door integrating ventilation, lighting, anti-theft and privacy protection. Made of high-strength aluminum alloy or stainless steel, it features a sturdy grid structure for smooth air circulation and clear visibility, while preventing peeping, insects and theft. It supports sliding and swing opening modes with silent hardware for quiet, jitter-free operation. With professional anti-corrosion and anti-rust surface treatment, it ensures long-term durability. Custom sizes and versatile color options are available, suitable for shops, residential balconies, offices and community passages for both home and commercial use.
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