Grade B Steel Wood Security Door for Residential Entrances
15min anti-theft protection with Grade B security certification. 35dB sound insulation for peaceful living environment. 1.0mm steel core + fireproof filling for ultimate durability. 10-lock-point system & customizable design options.
- JIAHUI
- Shanghai
- 7-15days
- Information
Grade B Steel Wood Security Door Applications and Related Door Solutions
Grade B Steel Wood Security Door is built for residential, apartment, and commercial entry applications that require practical security, durable door construction, and a clean architectural finish.
Related Products: Grade-A Steel-Wood Security Door | Grade D Steel-Wood Security Door | Steel Security Doors
JIAHUI DOOR
Grade B Steel Wood Security Door—Single.Double
Product Features
The Grade B Steel-Wood Entrance Door combines robust security with elegant craftsmanship. Its 60-70mm thick door leaf integrates a 1.0mm steel plate liner, while the 110mm-wide steel frame (2.0mm thick) ensures structural integrity. Certified for ≥15 minutes anti-theft resistance, it features 10 locking points and a high-security deadbolt. The fireproof/mechanical board filling enhances safety, complemented by 35dB sound insulation and 1.8-2.2W/m²·k thermal efficiency. Customization options include MDF wood veneer, solid wood, or cast aluminum panels, with designs selectable from our catalog.


Product Advantages
Unmatched Security: Exceeds Grade B standards with reinforced steel layers and multi-point locking.
Climate Adaptability: Thermal-insulated core reduces energy loss; withstands extreme temperatures.
Aesthetic Flexibility: 3+ panel materials and customizable finishes to match architectural styles.
Low Maintenance: Corrosion-resistant steel frame and scratch-proof surface treatments.
Quiet Living: 35dB noise reduction—ideal for urban areas or high-traffic zones.
| Feature | Grade A | Grade B | Grade C | Grade D |
|---|---|---|---|---|
| Anti-Break Time | ≥30 min | ≥15 min | ≥10 min | ≥6 min |
| Door Leaf Thickness | 60mm~70mm | |||
| Inner Steel Plate | 1.0mm | 1.0mm | 0.8mm | 0.8mm |
| Frame Width | 110mm | |||
| Frame Steel Thickness | 2.0mm | 2.0mm | 1.8mm | 1.5mm |
| Filling Material | Fireproof core / Bridge mechanics board | |||
| Surface Design | Customizable (catalog options) | |||
| Lock Type | Anti-theft lock | |||
| Locking Points | 12 | 10 | 8 | 6 |
| Sound Insulation | 35dB | |||
| Thermal Insulation | 1.8-2.2W/m²·K | |||
| Panel Options | Wood veneer, Solid wood, Cast aluminum | |||
Application Scope
Perfect for residential villas, apartment complexes, and gated communities prioritizing security. Suitable for commercial spaces like boutique hotels or private offices requiring premium aesthetics. Complies with international building codes for fireproof doors (when equipped with certified cores). Also recommended for coastal properties due to anti-rust coatings.
