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Black-out Blinds

Black-out blinds are roller blinds using opaque fabrics and channels around the sides of the blinds to reduce light ingress around the extremities of the blind.

All blinds can restrict the amount of light coming through the glazing but when a high level of control is required over light levels then often a black-out bind is specified. It should be noted that it is virtually impossible to achieve 100% light exclusion with a blind that can be opened.

Blackout blinds can be operated in a variety of ways from manual using a side chain, cord or crank handle or motorised. For motorised blinds the motor is fully enclosed in the barrel of the blind. An extensive range of control options are available with motorised blinds.

Components

Roller

Can be spring assisted or plain roller operated by pull cord and cleat, ball chain, pull tape, gear and handle or electric motor (see roller blind section).

Fabric

Also cover or blind cloth.

Bottom Rail (also bottom bar)

Rail fitted to bottom or leading edge of fabric.

Cross rib (also wind lath or windcheat)

A stiffening rod usually held in a pocket across the width of the blind to prevent wind or ventilation blowing the blind out of the casing.

Edge stud (also button) or edge bead (zip)

A device fitted to the edge of the fabric to prevent it pulling out of the special side channel.

Blind box (also headbox or roller casing)

Total enclosure for the blind roller with removable face for access.

Side channel (also side guide or side groove channel)

Section in which the edge of the blind runs.