The Duorol is a ‘double roller blind’. Its effect comes from shifting the fabric stripes up and down using a chain operation. A range of over 80 contemporary fabrics are available, including a number which are flame retardant. Duorol blinds are supplied on an aluminium cassetted head unit which is available in white, silver, black, cream, anthracite or brown, The bottom bar is supplied as a two-part bottom rail, but if a more minimalistic look is required, a one-piece bottom bar can be requested. Duorol blinds are available with a sidewinder control. The Duorol blind can be motorised.