Window Treatment Glossary

Anti-moiré
A process to counteract moiré, an interference pattern caused by overlapping grids of slightly different sizes or at slightly different angles

Bi-fold
A track system for shutters that allows up to 6 panels to be hinged together

Blackout
A material that completely blocks light from entering a room

Bypass
A track system for shutters in which panels slide past each other to open and close

Cassette
A thin rectangular box that houses the roller for roller shades

Cornice
An ornamental frame covering the top part of a window treatment to hide hardware

Daylighting
The process of using natural light rather than electricity to light rooms

Decorative Tapes
Fabric strips that cover or replace the string ladders on blinds

Dovetail Joinery
A woodworking technique reputed for its strength in which pieces are cut to fit together and require only glue to keep them in place, creating a smooth finish

Full-Tilt & Traverse
A control system for tilting the vanes and moving vertical blinds side-to-side

GREENGUARD
GREENGUARD Environmental Institute (certification indicates eco-friendliness)

Headrail
A thin rectangular box that houses the operating mechanism for blinds

Light-Dimming
A material that blocks the majority of light, softening the effect in a room

Louver
A horizontal slat that can be angled to let in light and air

LiteRise
A proprietary manual lifting system for Hunter Douglas blinds and shades

Opaque
A material that is virtually impervious to light and cannot be seen through

PVC-free
Manufactured without polyvinyl chloride, a widely used but controversial material

PermAlign
A proprietary headrail system to ensure equal spacing on Hunter Douglas vertical blinds

PermaTrak
A proprietary headrail system to ensure smooth gliding on Hunter Douglas vertical blinds

PowerGlide
A proprietary motorized sliding option for Hunter Douglas window treatments

PowerRise
A proprietary motorized lifting option for Hunter Douglas window treatments

PowerTilt
A proprietary motorized tilting option for Hunter Douglas window treatments

Semi-Opaque
A material that is darker than translucent but not quite opaque

Semi-Sheer
A material that is darker than sheer but lighter than translucent

Sheer
A material that mildly diffuses light and obscures the view

Swag
A fabric top treatment that gives the appearance of being loosely draped

Top-Down/Bottom-Up
An operating system in which shades can be set to cover the bottom of a window for privacy while leaving the top unobstructed for light and view-through

Translucent
A material that allows light through but obscures the view

Two-in-One
Two independently operated panels in a single headrail or cassette

Tilt-Only
A control system for tilting the vanes of vertical blinds to control light

Uniform Exterior Appearance
A consistent look from outside the home

UV
An abbreviation for ultraviolet, an invisible but harmful spectrum of light

Valance
A window treatment that covers the uppermost part of a window

Vane
A strip of fabric or other material

View-Through
The ability to see through a window treatment to the outside

NY City Blinds

NY City Blinds