Click on the type of blind to see a diagram and a formula to help you calculate how much string you will need for your repair. Have a tape measure handy!
Click on the type of blind to see a diagram and a formula to help you calculate how much string you will need for your repair. Have a tape measure handy!
- Horizontal Blind
- Vertical Blind
- Cellular / Honeycomb / Pleated Shade
- RV Day / Night Shade
- Vertical Cellular Shade
- Roman / Woven Wood Shade
- Cloth Tape & String Ladder
Horizontal Blinds
The amount of string needed for this blind is:
[(2 x Length) + Width] x Number of Lift Cords
Standard Lift
2-String Shade
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vertical Blinds
The amount of string needed for this blind is:
(Width x 2) + (Length of String Drop x 2) + 5 Feet
Standard Headrail
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cellular, honeycomb, and pleated shades
The amount of string needed for this blind is:
[(2 x Length) + Width] x Number of Lift Cords
Standard Lift - Bottom-up
2-String Shade
Standard Lift - Top-down Bottom-up
4-String Shade (2 strings per side)
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RV Day/Night Shade
The amount of string needed for this blind is:
[Length + (2.5 x Width)] x Number of Lift Cords
2 String Shade
2-String Shade
3 String Shade
3-String Shade
4 String Shade
4-String Shade / 1 Spring
4-String Shade / 2 Springs
4-String Shade / 2 Springs / End
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Vertical cellular shades
Side Stack
Width + (3 x Height)
Split Stack
Width + (6 x Height)
Center Stack
Width + (4 x Height)
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Roman/Woven Wood Shade
The amount of string needed for this blind is:
[(2 x Length) + Width] x Number of Lift Cords
Standard Lift
2-String Shade
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Cloth Tape & String ladder for horizontal blinds
The amount of string needed for this blind is:
(Length + 12 inches) x Strips of Ladder
Horizontal Blind
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Horizontal Blind
Horizontal Blind with Lift Cord
The amount of string needed for this blind is:
[(2 x Length) + Width] x Number of Lift Cords
Standard Lift
Standard Lift
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Vertical Blind
vertical blind headrail
The amount of string needed for this blind is:
(Width x 2) + (Drop Length x 2) + 5 Feet
Standard Headrail
Side Stack
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Cellular / Honeycomb / Pleated Shade
Cellular, honeycomb & Pleated shades
The amount of string needed for this blind is:
[(2 x Length) + Width] x Number of Lift Cords
Standard bottom-up shade
Standard Lift - Bottom-Up
Standard top-down bottom-up shade
Standard Lift - Top-Down Bottom-Up
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RV Day / Night Shade
rv day / night shades
The amount of string needed for this blind is:
[Length + (2.5 x Width)] x Number of Lift Cords
2 String Shade
2-String Shade
3 String Shade
3-String Shade
4 String Shade
4-String Shade / 1 Spring
4-String Shade / 2 Springs
4-String Shade / 2 Springs / End
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Vertical Cellular Shade
vertical cellular shades
Side Stack
Width + (3 x Length)
Split Stack
Width + (6 x Length)
Center Stack
Width + (4 x Length)
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Roman / Woven Wood Shade
roman / woven wood shades
The amount of string needed for this blind is:
[(2 x Length) + Width] x Number of Lift Cords
Standard Lift
Standard Lift
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Cloth Tape & String Ladder
horizontal blinds with cloth tape
The amount of string needed for this blind is:
(Length + 12 inches) x Strips of Cloth Tape
Horizontal Blind
Standard Lift
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