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Alleffra Searlait Garage Door November 19, 2017 00:57:43
Traditional carriage garage doors are not really very good at keeping the elements out of any structure. In addition it is very hard to adequately secure the doors from forced entry. With the invention of the over head door the use of the traditional carriage garage doors design essentially ended. However the architectural appearance and design is very appealing to the eye. Many of the top garage door manufactures have designed over head doors that give the appearance of carriage garage doors but with all the benefits of a modern garage door.
In contrast to an overhead type of garage door be it sectional or single panel roll up doors have a totally different type of operating system. When these doors are used they can be concealed in an overhead or under mounted trough. These doors operate similarly to a roll top desk door except for how they are stored when not in the closed position. They normally coil as they are retracted and require significant gear trains to reduce the effort required to move these doors up and down into position. Often the forces needed to move these roll up doors require a reduction type of transmission that allows a very heavy door to be operated effortlessly. These doors can be chain driven either manually or can be automated using electric motors. Roll up doors require more frequent evaluation and servicing than a standard overhead garage door. The tracks that are mounted vertically on both sides of the garage opening need maintenance and cleaning more frequently and are often blocked by foreign obstructions or damaged by collision of some type. These roll up doors are often held open by some type of ratcheting action. Proper balancing of these doors is often more important than an overhead type of door as the weight of these type of doors is normally much greater than an overhead door.