Thermal Insulated Sectional Door for Cold Storage Facilities and Industrial Overhead Use

Customization:	Available
After-sales Service:	Online Technical Support
Warranty:	1 Year

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Product Overview

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Global Reach: Industrial Door Brand Exported to Over 50 Countries

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Trusted Partner: Serving Over 3600 Clients Worldwide, including Fortune 500 Companies

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Certified Quality: Holder of Multiple Authoritative Certifications, Including CE, SGS, UL

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Advanced Tech: Advanced Servo Intelligent Control Systems for Professional Needs

Model NO.

SGD-120

Material

Steel

Thickness

40mm

Opening Style

Rolling

Opening Type

Power Driven

Color

White

Advantage

High Security, Heat Preservation

Transport Package

Wooden Box

Sectional Door Structure

Sectional doors are installed at openings in industrial buildings, warehouses, workshops, docks and other industrial facilities. The reinforced door structure ensures uninterrupted operation and the reliable sealing system guarantees high thermal insulation of the room.

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Installation Sites

Factory Gate + Equipment Room + Warehouse

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Product Specifications

Speed	0.2-0.3m / s
Panel Thickness	40 mm
Colors Available	Yellow, Red, Blue, White, Grey
Motor	German Brand System
Safety Features	Anti-wire rope break device, bottom airbag, torsion spring anti-break
Torsion Spring Life	≥30,000 times
Sound Insulation	24dB
Wind Loading	4*4 Newton 700 / m2

1. Door Panel Structure

Equipped with EPDM sealing tapes and bottom seals. The door panel interface cuts off heat transfer and reduces energy loss.

2. Balance Device

High-quality spring steel treated with anti-corrosion coating. Pulley slides and hinges ensure smooth operation.

3. Control System

Frequency conversion intelligent control, slow start and stop, stable and durable with multiple expansion ports.

4. Safety & Panels

Polyurethane foam filling (45KG/m³), impact resistance, and anti-pinch design. Optional windows, non-threshold small doors, and customized colors available.

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Detail Images & Colors

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Installation Measurements

👉 H: Height of door opening
👉 B: Width of door opening
👉 h: Headroom (min 500mm)
👉 b1/b2: Side room (min 150mm)
👉 L: Depth of the room

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Project Cases

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Frequently Asked Questions

Q1. Why choose us?

A: We offer the most cost-effective products with high quality, professional technical sales support, and over 13 years of experience in production and customization.

Q2. How can we get started?

A: We only need your basic background and project site information. Drawings of your factory site plan are preferred to provide a complete solution.

Q3. How to install the product?

A: It is easy to install using screws with no welding required. We provide installation videos and technical support. On-site guides are available if needed.

Q4. What is the delivery time?

A: Loading usually takes place via major ports. The general lead time is around 15-20 days after sample confirmation.

Q5. What payment terms are accepted?

A: We usually accept T/T in advance. For other payment terms, please feel free to discuss with us.

Q6. How about the after-sale service?

A: Spare parts can be delivered within 24 hours via international couriers like DHL, UPS, or TNT.