This is my first entry for a while because of trips out of the country and some other personal matters that have restricted my blogging.
This post is about garage doors of the roller variety, i.e. a door that lifts upwards and rolls into a compact storage area above a garage door opening.
This kind of door is very clever and very efficient when it comes to space utilization – or more precisely, not using-up space.
How they operate
Roller style doors are manufactured from a number of horizontal sections that flex or hinge enabling the complete door to gently fold around a cylindrical drum that winds the door around it.
This drum is suspended above the garage door opening and, whilst the rotating opening and closing actions (clockwise and anti-clockwise), can be manually achieved, this type of garage door is most usually operated by an electric motor. Most owners of this kind of system have the motor operated automatically by a remote control sensor that can be activated by a small button controlled fob.
The big advantages of this style of garage (or outbuilding) door is that it has a very smooth operation that is free from sudden movements, jolts and judders. The opening mechanics of the door also make it lightweight if operated by hand. Roller doors do not leave any part of the door projecting when the door is in its open state and they only require a very small amount of space to store the door.
All told this is probably the best and most sophisticated of door opening systems and it is highly popular in the USA.
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