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  • C77 Overhead Electric

  • Part No C77
  • The YewdaleDefiant® C77 electric overhead blackout unit with a Yewdale motor. All hardware in black powder-coated aluminium for face or recess fixing and enclosing 53mm and 57mm grooved aluminium barrels. Blackout fabric, with heavy duty bottom rail, is locked into a groove in the barrel and runs in 75mm side channels. Light-transfer baffles are within the side and bottom channels, and the side channels and head-box are fitted with pile-seal for light sealing. Fabric is mounted onto a sprung 57mm aluminium barrel whilst at the other end it is fitted to an aluminium bottom rail, attached to two draw tapes. These tapes are attached, between flanged guides, to the 53mm drive barrel, operated by a 240v AC Yewdale motor.

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Fabric Selectors

Select and download from the fabric selectors below.

AmazonDartEden DaylightEden BlackoutEden Blackout White BackRoachRoeThamesHarrier
Dim OutYesYesYes
Black OutYesYesYesYes
Fire RetardancyYesYesYesYesYesYesYesYesYes
Suitable for roller blindsYesYesYesYesYesYesYesYes
Suitable for vertical blindsYesYesYesYesYesYes
Anti BacterialYesYesYesYes
Wipe CleanYesYesYes
Wipe with damp spongeYesYesYesYesYes
Suitable for moist conditionsYesYesYesYesYesYesYesYes
100% PolyesterYesYesYesYes


The C77 blackout unit is the ultimate in choice for 100% light exclusion requirements for sloping or horizontal roof windows when an electrically operated solution is looked for. With heavy duty componentry and tensioning action by powerful spring to the fabric roller, these blinds may be confidently specified for awkward or inaccessible locations. The 240v AC Yewdale motor, which provides the luxury of reliable electrical fingertip control, is housed within the barrel and supported by sturdy, aluminium cassette system.


White hardware; Remote and/or group control systems; Available in any RAL colour.


The YewdaleDefiant® C77 electric overhead blackout unit with 240v AC Yewdale motor as manufactured by Yewdale, +44 (0)1268 570900. Flame retardant blackout fabric from the YewdaleDefiant® range, on 57mm aluminium barrel with enclosed spring attached to aluminium bottom rail as standard. 53mm drive barrel connected to gear control crank mechanism operates blind by means of draw-tapes to the bottom bar. Black/white powder-coated aluminium head-box cassettes, side and bottom channels and bottom bar. Incorporating 240v AC Yewdale motor

CodeDescriptionMin WidthMax WidthMax DropMax m2
C77Overhead Electric720200026004.2

Based on fabric weight of 400g/m², e.g. Dart. Larger sizes may be possible with lighter/thinner fabrics. Sizes shown in millimetres unless otherwise specified.