External Roller Blinds / Screens

External roller blinds act as an effective insulator to all types of glazing by providing the option to fully cover the window.

External roller blinds or screens provide a high degree of protection against solar heat and glare in the summer months and can also be effectively used as an insulating barrier to retain heat in the winter too.

External roller blinds usually have the roller barrel and fabric contained in a neat headbox so when the blind is not required, the fabric is protected. To keep the blind from moving in the wind, side channels, solid guide rods or stainless steel guide wires are installed to run down the sides of the blind.

The fabric range on external rollers is extensive- from open mesh screen fabrics which help to maintain an external view, to more densely woven acrylic fabrics used on traditional awnings.

Operation of this type of blind can be either via a gearbox mounted on one side of the awning which is operated by a detachable handle, or by an electric motor. With motorisation it is possible to have a variety of controls including radio controlled switches or automatic control using sun and wind sensors. In the latter example, the blind will extend automatically when the light level reaches a pre-set limit and will also retract automatically, should the wind speed exceed the safe operational limits of the system.

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