The classic window blind style allows you to adjust lighting levels instantly by altering the angle of the slat. The slat is available in either wood for a traditional feel or aluminium for a more contemporary look

Blackout blind - blind giving as near to total light exclusion as possible. NOTE: It is near impossible to achieve 100% light exclusion with a blind that can be opened. This excludes the use of working blackout blinds in such situations as photographic dark rooms where high speed emulsions are exposed. Blackout blinds have totally opaque fabric and are fully enclosed in casing.

Dim-out blind - blind giving a substantial reduction in light level but still allowing a certain amount to penetrate. They may be plain roller blinds or may make use of casing or masking. The level of dim-out is best specified by reference to the use required of the blind.

Audio visual blinds - generally low level dim-out blinds.

The Sunline Curtains & Blinds AV50 is a venetian blind specifically developed for use in audio-visual areas, where a high degree of dim-out is required, whilst at the same time providing the standard level of light control as a standard venetian blind.