Friday, July 15, 2011

Basic Information About Garage Doors

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.

Most overhead units are made up of several panels. These panels are hinged together and roll along tracks. Extension or torsion spring systems balance the weight of the structure. These gateways can be made from wood, aluminum, vinyl or steel. C. G. Johnson is credited with the invention of the upward-lifting door in 1921. Five years later he invented the electric garage door opener.

To open, single-panel structures slide up. They go overhead on rails. They are often called monolithic devices because they have only one panel. These structures can be inconvenient because when they open, they swing out. That means an individual must stop their vehicle a few feet away from the structure to avoid the door swinging out and hitting their automobile.

Sectional gateways can have six or eight panels. These panels slide up and over to open. The structure occupies the same amount of space as monolithic structures, yet have more advantages. They do not swing outwards and therefore, do not require space outside of the garage in order to open. The structures are more reliant because every panel is separately attached 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.

The structures made today typically use steel sheets. These sheets often resemble the raised panels on wooden doors. Insulated, double-skin, uninsulated material is available. Steel carriage doors come in many designs and have gained popularity because they do no weight a lot or rot overtime.

There are two key lifting mechanisms used on these devices. Extension springs use springs that run along the tracks. Tension springs use up to two springs that are on a shaft with cable drums at each end. Springs can last for many years if they are taken care of.

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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