What is an industrial sliding door?

Writen by
Eric Chow
Last update:
July 4, 2025

Industrial sliding door, also known as lifting door, is a modern industrial plant, logistics channel…

Industrial sliding door, also known as lifting door, is a modern industrial plant, logistics channel to create one of the commonly used door, its performance is far greater than the ordinary electric rolling door, with good heat preservation, sealing, impact resistance, thermal insulation properties, as well as the overall appearance of beautiful.

The industrial sliding door is made of double-layer sandwich hot-dipped galvanised steel plate with polyester surface treatment, and the core material is polyurethane insulation and heat preservation layer, which is 42mm thick, and the end face of the door is equipped with a box-shaped sealing edge, and the coupling chain is installed in the sealing edge to keep the door into the track, and the bottom and the top are fixed with the sealing strips made of globular vinyl resin along the direction of the width and the height of the door at the top, the bottom, and the lateral sealing strips, which is wind-proof, rain-proof and anti-infiltration. The door is windproof, rainproof and impermeable. The door balancing system consists of torsion springs, winding wheels and steel shafts and locking and fixing flanges, etc. The wheels are wound with steel cables, which are connected to the bottom of the door body with an anti-cable breakage device. Therefore, it is easy to lift the door body without a motor in the balanced state.

Sliding door features

Thickness: Door thickness is 40mm, inner and outer door panels are made of 0.5mm galvanised colour steel.

Thermal insulation: The U-value of the installed closed door (4x4m) is 0.84 W/m2oC.

Airtightness: airtightness of approximately 2.5 m3/m2/h (at 50 Pa) for the installed door.

Wind load: the wind pressure resistance of the door panel below 4mX 4m metres is 700N/M2 door panel, the wind pressure resistance of the door panel above 4mX 4m metres is 450N/M2 door panel Not less than 25m/sec.

Fire rating: for doors in closed state (4x4m)

Fire rating: Class B (general grade)

Sound insulation performance: R = 22 decibels/db

Ammonia foam density: 48kg/m3±2kg/m3

Temperature: between -25°C and +50°C

Absolute brazing number: k-value 1.5w/M2.k

Small size: regular W*H 1500mm x 1800mm

Large size: regular W*H 8000mm x 7000mm

Sliding door sealing performance

through the bottom sealing strip, side sealing strip, top sealing strip, built-in sealing strip between the panels to make the whole sliding door sealing to reach a high level; in addition to the built-in sealing strip between the panels. The rest of the seals are made of high quality EPDM rubber.

Sliding door wind resistance

the special shape of the door panel and the surface of the compression rib treatment so that the submarine door has excellent wind resistance, enough to withstand 12 typhoons; the width of the door can be external reinforcement to obtain sufficient wind resistance.

Sliding door lifting mode

1. Standard lifting: applicable to the upper edge of the door opening has 450-530mm net space size, height in 450-530mm

2. High lifting: fully utilise the maximum space size along the upper edge of the door opening, with a height of more than 600mm.

3. Vertical lifting: applicable to the door opening along the upper edge of sufficient net space size

4. Low lifting: applicable to the upper edge of the door opening has a space height of 250-450mm.

Accessories for sliding door

Standard accessories: spring breakage protection device, wire breakage protection device, sealing strip, airbag components

Optional accessories: window, remote control, safety warning light, latch locks.

Sliding door colours

Conventional curtain colours:  yellow, coal grey, green, blue, orange, silver grey, brown, sky blue. Black-brown, grey-brown, white.

About Jenna

Hello, friends! My name is Jenna, from China. I am the founder of saduqi doors, and I have been struggling in the field of industrial doors for 14 years!

Talk With Author >>

Start Your Business With Us

Simple Contact Form

Download Catalogue!

Download our catalog to check all of our products and data sheet.

Contact Form Demo

Get Instant Quote Now!

Contact Form Demo

saduqi

contact us

If you are interested in our products, please leave us a message!

Contact Form Demo

Leave Your Message Here

Aliqua id fugiat nostrud irure ex duis ea quis id quis ad et.

Contact Form Demo

contact us

If you are interested in our products, please leave us a message!

Contact Form Demo