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measure for: inside mount vertical blinds

  1. To find width: Measure the opening across the top, where the headrail is to be installed, from inside of window frame on left to inside of window frame on right. Round the measurement down to the nearest 1/8". A minimum depth of 2 1/2" is needed to install inside the window.
  2. To find height: Measure from the inside top of the opening on the left, at the center, and on the right to the sill; to the closest 1/8" and note the smallest dimension.
  3. Do not make any allowances: adjustments will automatically be made so the headrail will fit the opening properly and the vanes will clear the sill by 1/4" to 1/2".
 

measure for: outside mount vertical blinds

  1. 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 maintain the maximum view, allow adequate overlap and consider the stack width.
  2. To find height: Measure the height of the area to be covered round down to the nearest 1/8". Blind should extend at least 3" above and 3" below opening or window moulding.
  3. For installations to the floor, deduct 1/2" from the shortest height for proper clearance.
  4. Specifying outside mount measurement means the factory makes allowances for headrail deductions only.
 
 

measure for patio doors

  1. 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.
  2. To find height: Measure the height of the area to be covered at the left, center and right and round down to the nearest 1/8". Blind should extend at least 3" above opening or window moulding.
  3. To ensure easy access through the door and allow adequate overlap, consider the stack width.
  4. For installations to the floor, deduct 1/2" from the shortest height for proper clearance.
  5. Specifying outside mount measurement means the factory makes allowances for headrail deductions only.
 

Vane Count and Stacking Chart

These charts represent the amount of shade that is gathered to either side of the window when fully drawn. The measurements in these charts include the stack of the fabric.

One Way Dual Draw
Blind Width No. of Vanes Stack Width Clear Opening No. of Vanes Stack Width Clear Opening
13-1/8" 4 3-7/8" 9-1/4" -- -- --
16-1/4" 5 4-1/8" 12-1/8" -- -- --
19-3/8" 6 4-1/2" 15" -- -- --
22-1/2" 7 4-3/4" 17-3/4" -- -- --
25-5/8" 8 5-1/8" 20-1/2" 8 3-7/8" 18"
28-3/4" 9 5-1/2" 23-1/4" -- -- --
31-7/8" 10 5-3/4" 26" 10 4-1/8" 23-5/8"
35" 11 6-1/8" 28-7/8" -- -- --
38-1/8" 12 6-1/2" 31-5/8" 12 4-1/2" 29"
41-1/4" 13 6-3/4" 34-1/2" -- -- --
44-3/8" 14 7-1/8" 37-1/4" 14 4-3/4" 34-3/4"
47-1/2" 15 7-1/2" 40" -- -- --
50-5/8" 16 7-3/4" 42-3/4" 16 5-1/4" 40-3/8"
53-3/4" 17 8-1/8" 45-5/8" -- -- --
56-7/8" 18 8-1/2" 48-3/8" 18 5-1/2" 46"
60" 19 8-3/4" 51-1/4" -- -- --
63-1/8" 20 9-1/8" 54" 20 5-3/4" 51-1/2"
66-1/4" 21 9-3/8" 56-7/8" -- -- --
69-3/8" 22 9-3/4" 59-5/8" 22 6-1/8" 57"
72-1/2" 23 10-1/8" 62-3/8" -- -- --
75-5/8" 24 10-3/8" 65-1/4" 24 6-1/2" 62-3/4"
78-3/4" 25 10-3/4" 68" -- -- --
81-7/8" 26 11-1/8" 70-3/4" 26 6-3/4" 68-1/4"
85" 27 11-3/8" 73-1/2" -- -- --
88-1/8" 28 11-3/4" 76-3/8" 28 7-1/8" 74"
91-1/4" 29 12-1/8" 79-1/8" -- -- --
94-3/8" 30 12-3/8" 82" 30 7-1/2" 79-1/2"
97-1/2" 31 12-3/4" 84-3/4" -- -- --
100-5/8" 32 13" 87-5/8" 32 7-3/4" 85-1/8"
103-3/4" 33 13-3/8" 90-1/4" -- -- --
106-7/8" 34 13-3/4" 93" 34 8" 90-5/8"
110" 35 14" 96" -- -- --
113-1/8" 36 14-3/8" 98-3/4" 36 8-1/2" 96-1/4"
116-1/4" 37 14-3/4" 101-1/2" -- -- --
119-3/8" 38 15" 104-3/8" 38 8-3/4" 101-7/8"
122-1/2" 39 15-3/8" 107-1/8" -- -- --
125-5/8" 40 15-3/4" 110" 40 9-1/8" 107-3/8"
128-3/4" 41 16" 112-3/4" -- -- --
131-7/8" 42 16-3/8" 115-1/2" 42 9-3/8" 113"
135" 43 16-3/4" 118-1/2" -- -- --
138-1/8" 44 17" 121" 44 9-3/4" 118-5/8"
141-1/4" 45 17-3/8" 123-7/8" -- -- --
144-3/8" 46 17-5/8" 126-1/2" 46 10" 124-1/4"
147-1/2" 47 18" 129-1/2" -- -- --
150-5/8" 48 18-3/8" 132-1/4" 48 10-3/8" 129-3/4"
153-3/4" 49 18-5/8" 135-1/8" -- -- --
156-7/8" 50 19" 138" 50 10-3/4" 135-3/8"
160" 51 19-3/8" 140-5/8" -- -- --
163-1/8" 52 19-5/8" 143-1/2" 52 11-1/8" 141"
166-1/4" 53 20" 146-1/4" -- -- --
169-3/8" 54 20-3/8" 149" 54 11-1/2" 146-1/2"
172-1/2" 55 20-5/8" 151-7/8" -- -- --
175-5/8" 56 21" 154-3/4" 56 11-3/4" 152-1/8"
178-3/4" 57 21-1/4" 157-1/2" -- -- --
181-7/8" 58 21-5/8" 160-1/4" 58 12-1/8" 157-1/2"
185" 59 22" 163" -- -- --
188-3/8" 60 22-1/4" 165-7/8" 60 12-3/8" 163-3/8"
 
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