The essential reason for housing a roller blind within a cassette is two fold. Firstly, the head box provides a neat and aesthetic housing for the fabric and mechanism of the blind, and can be powdercoated in a finish to match that of the window frames, such that when the blind is pulled up it then becomes virtually invisible. The second is a more practical reason, and particularly suited to windows within schools, hospitals and commercial applications. The reason for this is the introduction of the side channels. These channels fit neatly to the underside of the cassette and run down the window to the cill, locating the bottom rail of the blind into position as it travels up and down. As one can imagine with a freehanging roller blind, if the blind is pulled down whilst the window is left open, there is potential for damage to occur with the blind blowing around in the wind. With the introduction of the side channels, both the bottom rail, and the fabric, by way of some very clever little stud fixings within the edges of the cover at regular intervals, are trapped within the neatly profiled side channel, thus making it possible to safely leave the windows partially open whilst having the blinds partially down. This means that in a typical classroom environment, both adequate light exclusion and ventilation can be provided at the same time.
The cassettes shown here in this attractive and airy office environment perfectly compliment the plain white cotton fabric of the roller blinds, and very neatly hide the fabric and roller mechanism when the blinds are fully retracted. The dimensions of the cassette can be tailored to suit the specific drop of the blinds.
Eclipse's patent Intu Blind system is another form of cassette roller blind, designed specifically to fit neatly to all different styles of PVCu window frames. This makes the Intu Blind particularly suitable for conservatories, where the roller and tension cords are tidily concealed within the framing system.
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