There are many things to consider:
  • Window type (double hung, casement, sliding, size, number, and proportions)
  • Window framed or unframed
  • Mounting surface needed
  • Glass clearance
  • Projection for window casing and sill clearance
  • Obstruction clearance (light switch, baseboard heating, casement cranks, door handles, over draperies, air conditioners, doors, floor vents, and uneven floors.)
  • Factory deductions and allowances
  • Headrail wider than shade
  • Stacking allowance (coverage when fully open)
  • Choice of brackets(projection needed and mounting surface)
  • Number of brackets needed (minimum every 48")
  • Measure left, right and middle for width (use smallest measurement)
  • Measure top, bottom, and middle for length  (use smallest measurement)
  • Exposure - (west, east, north, south)
  • Light control (deflected tilt control, filtered, black out, full exposure)
  • Privacy control (transparent, semi-opaque, opaque)
  • IMPORTANT ALWAYS USE STEEL TAPE MEASURE for accurate measurements:

 

Mounting Surface Needed

PRODUCT MINIMUM INSIDE MOUNT MINIMUM OUTSIDE MOUNT
Bracket type End mount Over head Full recess Flat surface Above Window No framing
Celebrity blind 1" NA 9/16"` 1 1/4" 1" NA ADD 2"
Décor blind 1"-1/2" NA 9/16" 1 1/4" 1" NA ADD 2"
Lightline blind 1" NA 1/2" 1 1/2" 5/8" NA ADD 2"
Lightline blind 1/2" NA 1/2" 1 1/2" 5/8" NA ADD 2"
Macro 2" blind 5/8" 5/8" 2 5/8" 1 1/2" NA ADD 2"
Applause-std. bkt. NA 1" 1 1/2" 5/8" NA ADD 2"
Applause-swivel bkt. 1 1/8" 1/2" 1 1/8" NA NA ADD 2"
Applause-Easyrise NA 1" 2" 1" NA ADD 2"
Beyond Woods NA 1 1/8" w/val 3 1/2" 1 3/4" w/val +3/4" ADD 3"
Beyond-Liftmaster NA 1" w/val 4" 1" w/val +3/4" ADD 3"
Country Woods 1 1/8" 1 1/8" w/val 3" 1 3/4" w/cornice+3/8 ADD 3"
Country-Liftmaster NA 1" w/val 3 1/2" 1" w/cornice+3/8 ADD 3"
Duette-std. bracket NA 1" 1 1/2"-2 1/4" 5/8"-1" NA ADD 2"
Duette-swivel bracket NA 1/2" 1 1/8"-2" NA NA ADD 2"
Duette-Easyrise NA 1" 2" 1" NA ADD 2"
Duette-EasyGlide NA 3/4" 1 1/4" 3/4" NA ADD 2"
Duette-PowerRise NA 5/8" 2"-2 3/8" 3/4" NA ADD 2"
Duette-Vertiglide NA 1"-1 5/8" 3 1/4" 1 3/8" NA ADD 2"
Duette-Ultraglide 2 1/4" 3/4" 2 1/4" 5/8" NA ADD 2"
Brillance-Pleated shade NA 1/2"-1" 1 1/8-1 1/2" 5/8" NA ADD 2"
Brillance-PowerRise NA 5/8" 2 3/8" 3/4" NA ADD 2"
Jubilance NA 1 1/2" NA 1" NA ADD 2"
Luminette 1 1/4" 1" 6 1/4" 1 1/8" 4" above ADD 8"
Remembrance shades 5/8" 5/8" 2 1/4" 1/2"x1 1/2" NA ADD 4"
Silhouette 1 1/4-1 1/2" 7/8" 2 7/8-3 1/4" 3/4" NA ADD-6"
Silhouette-PowerRise 1 1/2-2 1/8" 1 3/4" 3 1/8-4 1/8" 3/4" NA ADD 6"
Nantucket 1 1/4" 7/8" 3 1/4" 3/4" NA ADD 6"
Vertical blinds NA 2" 3 3/4" 1 1/2" 2" above trim ADD 6"
Vignette 1 1/2" 7/8" 3 7/8" 3/4" 3" above trim ADD 8"

 

Factory Allowances
ALL MEASUREMENTS ARE (+/-) 1/8"

PRODUCT FACTORY DEDUCTIONS & ADDITIONS
Bracket type Width inside Height Inside Wid/outside Hgt/outside
Celebrity blind 1" DED. 1/4" 0 ADD 1/4" 0
Décor blind 1"-1/2" DED. 1/8" 0 ADD 3/8" 0
Lightline blind 1" DED. 1/8" 0 ADD 3/8" 0
Lightline blind 1/2" DED. 1/8" 0 ADD 3/8" 0
Macro 2" blind DED. 1/2" 0 0 0
Applause-std. bkt. DED. 1/4" 0 0 0
Applause-swivel bkt. DED. 1/4" 0 0 0
Applause-Easyrise DED. 1/4" 0 0 0
Beyond Woods DED. 1/2" 0 0 0
Beyond-Liftmaster DED. 1/2" 0 0 0
Country Woods DED. 1/2" 0 0 0
Country-Liftmaster DED. 1/2" 0 0 0
Duette-std. bracket DED. 1/4" 0 0 0
Duette-swivel bracket DED. 1/4" 0 0 0
Duette-Easyrise DED. 1/4" 0 ADD 1/2" 0
Duette-EasyGlide DED. 1/4" 0 ADD 1/2" 0
Duette-PowerRise DED. 1/4" 0 0 0
Duette-Vertiglide DED. 1/4" - 3/4 0 0
Duette-Ultraglide DED. 1/4" 0 0 0
Brillance-Pleated shade DED. 1/4" 0 0 0
Brillance-PowerRise DED. 1/4" 0 0 0
Jubilance DED. 1/2" 0 0 0
Luminette DED. 1/4" DED. 3/4" 0 less 1/4"
Remembrance shades fabric less 1 1/4" 0 fabric less 1 1/4" 0
Silhouette fabric -1"less DED. 1/8" fabric 3/4" less DED. 1/8"
Silhouette-PowerRise fabric -1"less DED. 1/8" fabric 3/4" less DED. 1/8"
Nantucket fabric-1.5"less DED. 1/8" fabric 1" less DED. 1/8"
Vertical blinds DED. 1/4" DED. 1/2" 0 0
Vignette fabric-1" less DED. 1/8" fabric 1" less DED. 1/8"
 

(c) Blinds By Gail & Associates 1999