What To Know About Garage Doors

| Friday, July 15, 2011
By Adriana Noton


Garages are attached to buildings and homes and serve as storage units for vehicles. Garage doors are the passageways for vehicles. These structures are considerably larger than most other passageways because they must be big enough to allow the passage of vehicles. They can be opened by hand or electronic remote control.

Overhead gateways are made from panels. Each of the panels is hinged to one another and rolls on tracks. Extension or torsion springs are used to balance the load of the structure. Wood, aluminum, vinyl and steel are materials commonly used for the construction. C. G. Johnson invented the upward-lifting door in 1921. Five years later, in 1926, he made the first electronic garage opener.

Single-panel gateways slide up and overhead to open. They are also known as monolithic doors because they have a single panel. The main disadvantage of these structures is how they open. When they are opened they swing outward, away from the structure. This can be inconvenient when it comes to parking. If a vehicle is not parked a few feet back from the structure, it could be hit when the door is opened. Furthermore, any object that is within the range of the structure could keep it from opening up fully.

Sectional units are constructed with six to eight panels that slide up and over. These are generally the same size as monolithic structures but are more convenient. Their advantages over single-panel structures: they do not require space outside the storage facility to open and each panel is connected separately to the track.

Roller units are made from corrugated steel. Sometimes they are constructed from other materials. Generally this is the case when impact-resistant material is not required or desired. Because of the strong material, they are capable of withstanding strong impact. They are commonly used on storefronts or at warehouse buildings.

Most of these devices are constructed from steel sheets made to resemble a raised panel wooden door. They are available double-skin, insulated and uninsulated material. Steel carriage doors have become quiet popular because they do not rot or weight a lot. They also come in a variety of designs.

There are two main lifting mechanisms used for these devices: torsion spring and extension spring. Torsion spring systems use one or two tight sprints on a shaft that has cable drums on each end. These springs are estimated to last for up to seven years, if maintained. Extension spring systems use a pair of stretched springs that run parallel to the tracks, which are horizontal.

These garage doors Toronto devices require maintenance. On a monthly basis they should be lubricated and checked for balance. The devices should never struggle to open or close. This could be a sign of a greater problem. Likewise, the structures should run along their tracks with ease. Tracks should never be lubricated. The lubrication can leave a sticky residue, which accumulates dirt and grime, making the door hard to work with. Maintenance is related to safety. Injuries can be avoided, if the door is functioning properly. Nearly 20,000 people in the United States are injured a year from incidents with this structure.




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