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 HOME > Technical Information > Measuring > Vertical Blinds

Great Lakes Window Coverings - Blind Measuring

How to Measure for Vertical Blinds

 

Things to Remember:
  • Use a steel tape for accuracy
  • Measure Width and write it down, then Length and write it down
  • Measure to the nearest 1/8 inch
  • Do not take your own deductions. The factory will take necessary deductions and allowances.
  • Double check all measurements
  • NOTE: All measurements should come from measuring the window. If you measure your existing blinds, the measurements will be incorrect.


Inside Mount Installation

To find width:
Measure the opening across the top where the headrail is to be installed from inside of jamb on left to inside of jamb on right. Record the exact measurement to 1/8"

To find length:
Measure from the inside top of the opening on the left, at the center, and on the right to the sill; record the measurement to the nearest 1/8" . Do not make any allowances: the factory will make all adjustments so the headrail will fit the opening properly and the vanes will clear the sill by 1/4" to 1/2".


Outside Mount Installation

To find width:
Measure the width of the area to be covered at the place where the headrail will be installed to the nearest 1/8". Blind should overlap opening at least 4" on each side to ensure privacy.

To find length:
Measure the length of the area to be covered and record to the nearest 1/8". Blind should extend at least 3" above and 3" below opening or window molding. For ceiling-to-floor installations, make adequate allowance for carpeting. Specifying OB measurement means the factory makes no deduction allowances.


Patio Doors

To find width:
Measure the width of the area to be covered at the place where the headrail will be installed to the nearest 1/8". Blind should overlap opening at least 4" on each side to ensure privacy. 

To find length:
Measure the length of the area to be covered and record to the nearest 1/8". Blind should extend at least 3" above opening or window molding. For ceiling-to-floor installations, deduct 1/2" for proper clearance. Specifying OB measurement means the factory makes no deductions allowances. To ensure easy access through the door and allow adequate overlap, consider the stack width.

 HOME > Technical Information > Measuring > Vertical Blinds

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