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Typical Sectional Door Operation
The sectional garage door opens and closes vertically with a tight 90 degree curve to take the track guides horizontally into the garage. The image below shows the torsion spring assembly commonly used by timber sectional doors as this type of spring support will take heavier weight door panels than a side sprung mechanism.
The torsion spring is located above the garage door top panel, usually about 200 - 250mm higher in total and does require several good fixing points so is best behind a proper RSJ or lintel rather than a fascia panel. This type of operating gear usually provides the full height drive through when fully opened using an electric operator as shown in this example.
The sectional door operation is smooth as the door panels are assisted in the lifting process almost all the way through opening unlike an up and over door which is normally balanced to half way open. With this amount of rollers either side the door is very secure in its tracking once closed. Typically a sectional door between 6'6" (2000mm) and 7'6" (2286mm) high will be split into 4 panels vertically.
Timber sectional doors will generally be manufactured up to 5000mm wide and 3000mm high for domestic use.
All the doors can be manual or electric operation at any size.
Timber sectional doors are normally supplied in a light or clear base coat protective treatment for further on site finishing by others although a factory finish is available with certain manufacturers.
Maintenance and longevity of timber garage doors is a common concern, but we believe that with the right treatment from the start, the up keep should be no greater than that of a steel door. Here, we detail the correct treatment for different styles of door.
With a wide variety of door types available, we built a quick guide to help you decide which type of garage door is for you. From traditional Up and Overs to more impressive Round The Corner or Trackless Sectionals, we are bound to have something for you.
Not so many years ago automatic gates were considered a luxury item, affordable by only the wealthiest and suitable only for mansion type properties. Not so any more!
Need to match a specific architectural feature on your property? Take a look at the superb Hormann 2011 'open for infill' garage door system.
