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Definition of the roll up door

A roll up garage door is a door with a multi-jointed movable door piece linked together in a fixed chute, which rotates up and down on a scroll above the door. Roller shutters are often used in shops.

Composition of the roll up door

It consists of a curtain plate, a seat plate, a rail, support, a scroll, a box, a control box, a door roller, a limiter, a lintel, a manual speed release device, a button switch, and a safety device.

Type of the roll up doors

1. According to the material 

Aluminum alloy roll up door

Compared with ordinary roll up doors, both in terms of appearance, environmental protection, and safety, have considerable advantages. Aluminum alloy rolling door can be sprayed on its surface in a variety of colors and patterns, more can be coated with a sense of concave and convex wood grain, sand grain, etc., highlighting the noble temperament, obviously improve your shop class, let you stand out in many shops.

The distinctive material and structural design of the aluminum alloy roll up garage door can effectively prevent strong light exposure and ultraviolet radiation, completely solving the greenhouse effect of sunlight on the interior, suitable for all kinds of climate and weather changes, with long-term protection effect on the indoor environment, after tests have shown that the blocking rate of the rolling shutter door and window to the sun can reach 100%, the blocking rate of the temperature can reach more than 95%.

Aluminum alloy roll up door changes the inherent shortcomings of the traditional roll up door noise, open or close the process is only the wind blowing leaves like a loud sound, to give you a comfortable feeling of opening the door. Our rolling shutter door suppliers can provide you with a complete set of quality rolling shutter doors. The aluminum roll up door was not designed to be sealed at the outset, only the sound-deadening tape was added to the curtain sheet to improve the sealing, but it is still not sealed. There are two types of aluminum alloy rolling door curtains: aluminum alloy hollow extruded profiles and aluminum alloy filled polyurethane foam profiles. The extruded curtains have better strength, hardness, production width, and protection than the filled profiles, and the door curtain profiles can be freely selected according to the different needs of the customer.

Colour steel roll up door

The door panels are made of color steel, aluminum alloy, or composite panels, with different thicknesses according to the width of the door opening. Light windows and doors within doors can be added as required. A variety of panels and colors are available. The doors can be equipped with a variety of light windows, ventilation windows, and doors indoors.

Crystal roll up door

A stylish representative of roll up doors. The curtain is made of polycarbonate (PC ballistic) engineering plastic. Crystal roll up garage doors provide a fashionable look and feel for trendy shops such as fashion clothing, brand franchises, and new trendy mobile phones. It has a certain waterproof and windproof effect and the aluminum alloy connecting bars strengthen the protection effect, and there are frosted, transparent, and colored specifications for the selection.

Stainless steel roll up door

With beautiful color, smooth, horizontal embossed design, rich in layers and three-dimensional sense; door body can be baked surface treatment, so that the door plate more durable, a variety of installation methods can be chosen, easy to install, fast construction speed to save time, such as damage, can be single curtain replacement to save costs.

PVC roll up door

Also known as a fast-rolling door, it is made of PV material. The speed of operation is very fast, reaching 0.6 m/sec. It can quickly isolate and thus ensure the air quality of the workshop without dust level, has several functions such as heat preservation, cold preservation, insect protection, windproof, dustproof, sound insulation, fire prevention, odor prevention, light, etc., and is widely used in food, chemical, textile, electronic, supermarket, freezing, logistics, storage, and other places, can be extremely high to meet the high-performance logistics and clean places, and save energy, high-speed automatic closing, improve operational efficiency, create It can also save energy, automatically shut down at high speed, improve operating efficiency and create a better working environment.

2. According to the opening method

Manual roll up door, with the help of the torsion spring balance force on the central axis of the roller shutter, to achieve manual up and down to pull the roller shutter switch.

Electric roll up door, with the motor to drive the central shaft rotation, to reach the rolling shutter switch, when the rotation of the upper and lower limits, automatic stop.

3. Other types of roll up doors

Mesh roll up door

The mesh rolling shutter door does not give the feeling of being bored into the box even when it is closed, it is still breathable and light. And can be used with the aluminum rolling door, that can be ventilated and can prevent prying eyes. Note: the middle of the door piece is empty are called grid rolling door, there are called transparent ventilation rolling door, transparent not ventilated rolling door (the name is too long), mesh rolling door (not all of the grid rolling door the whole door is mesh, some are in the upper or middle of the open hole)

Fireproof roll up door

The door is made up of a curtain panel, a rolled-up section, a guide rail, and an electrical drive. The curtain plate is a 1.5 mm thick cold-rolled steel strip rolled into a “C” type plate with overlapping interlocking, which has the characteristics of good rigidity and excellent sealing performance. Steel “r” type tandem combination structure can also be used. In addition, it is equipped with a temperature-sensitive, smoke-sensitive, light-sensitive alarm system and water curtain spraying system, which alerts in case of fire, automatically sprays, and the door body descends automatically and closes at a fixed time delay so that people in the affected area can be evacuated. The comprehensive fire protection performance of the whole system is remarkable.

How to tell the quality of roll up doors

1. Good roll up door drainage slot and air pressure balance hole to staggered position to process, to avoid the direct entry of cold wind and dust, assembly tight drainage slot part are equipped with a closed cover, to prevent rainwater from the hole into the room.
2. Good roll up door drainage slot and air pressure balance hole to staggered position to process, to avoid the direct entry of cold wind and dust, assembly tight drainage slot part are equipped with a closed cover, to prevent rainwater from the hole into the room.
3. Good roll up door drainage slot and air pressure balance hole to staggered position to process, to avoid the direct entry of cold wind and dust, assembly tight drainage slot part are equipped with a closed cover, to prevent rainwater from the hole into the room.
4. Good roll up door drainage slot and air pressure balance hole to staggered position to process, to avoid the direct entry of cold wind and dust, assembly tight drainage slot part are equipped with a closed cover, to prevent rainwater from the hole into the room.
5. Good roll up door drainage slot and air pressure balance hole to staggered position to process, to avoid the direct entry of cold wind and dust, assembly tight drainage slot part are equipped with a closed cover, to prevent rainwater from the hole into the room.

Maintenance

1. The upper end of the installation position of the roll up garage door should have reliable fire protection facilities, in the lower end of the rolling gate’s barrel to do package box or ceiling must be set removable activity cover, in the lower end of the rolling gate bullet king must be reserved 500x500mm removable maintenance holes, to facilitate maintenance.

2. Roll up door operation if there is a large shaking or abnormal sound should be stopped to check, to exclude the normal opening and closing of the door curtain debris.

3. Roll up door curtain and easy to rust parts, should be regular anti-corrosion, paint, and maintenance treatment, prohibit the use of heavy objects, hard objects impact door surface.

4.Roll up door bottom beam seat upper limit position must be maintained with the lower end of the bearing frame more than 200mm distance, to ensure that the braking stop does not occur when the top phenomenon.

5. Roll up door in the opening and closing stop process should have with the bit stop function, should not stop and continue to slide phenomenon, such as the occurrence of the slide distance greater than 50mm, should be immediately on the roll gate control electrical and roll gate machine brake for careful inspection and repair, running normally.

6. Roll up door in the running, sliding, transmission, and other parts should be regularly checked (at least 3 times a year), and according to the need for timely refueling, to ensure the normal use of the roll gate.

7. Roll up door operation, the operator must stand in can see the volume door running state position for operation, otherwise easy to accident and damage.

8. All electric control of the roll up garage door, open and close the direction of operation must be the same with the switch box instructions, especially in the new power supply trial or external input power to change the phase line, should first use the manual device to place the curtain in the door hole height 1/2 position, after the power supply trial operation volume door open and close, until with the instructions attached, before normal use, otherwise damage to the limiter, causing the curtain to roll back or punch the top and cause damage. Otherwise, damage to the limiter will cause the curtain to recoil or punch the top and cause damage.

9. Roll up door curtain and door machine and acid, alkaline material solution contact is prohibited, to prevent corrosion of the surface of the door curtain.