Views: 0 Author: Site Editor Publish Time: 2025-06-11 Origin: Site
As a professional manufacturer of aluminum roll up doors, we specialize in delivering reliable, high-performance solutions for fire trucks, box trucks, and other specialty vehicles. Our doors are designed for durability, smooth operation, and easy maintenance—making them the ideal roll up door for truck applications.
Inspected Items | Standards and Requirements |
---|---|
Appearance and Quality | 1. No scratches, dents, or deformations on curtain panels, guide rails, or scrolls. 2. Curtain plate colors should be uniform with minimal color deviation. 3. All fasteners must be securely installed and vibration-resistant. |
Main Accessories Inspection | Materials must conform to Enterprise Standard 4.4.1. |
Thickness and Diameter (mm) | Curtain Plate: thickness ≥0.9 Steel Spring Outer Diameter ≥40 Spring Wire Diameter ≥3.5 Coiling Block Outer Diameter ≥60 Wall Thickness ≥0.5 Scroll Diameter 16±0.5 |
Opening-Closing Force (N) | Opening Force ≤100 Closing Force ≤200 |
Operating Performance | The door should operate smoothly within the guide rails. An operating gradient between -1° and +1° is acceptable. |
Balance Performance | The rolling door should remain in any position during opening or closing. |
Our roll up doors are not just for fire trucks. They are also ideal as a roll up door for box truck, and widely used in logistics, refrigerated vehicles, and rescue trucks. Whether you're searching for a replacement roll up door for box truck or considering used box truck roll up door for sale alternatives, our aluminum roll-up doors deliver better performance and reliability.
Lightweight aluminum structure, corrosion-resistant and impact-resistant
Low operating force, smoother, quieter lifting and closing
Fully compatible with standard aluminum roll up doors for trucks
Quick installation and flexible sizing options to meet custom project needs