Most Common Errors When Fitting Pleated Blinds
1. Failing to Align the Brackets Vertically
The first and most critical step is the precise positioning of the mounting brackets. A very common mistake is misaligning the bottom bracket relative to the top one, meaning the cords do not run down in a perfectly straight, vertical line. This lack of alignment makes it significantly harder for the pleats to operate smoothly. Always make sure to check the vertical alignment carefully before securing the brackets.
2. Uneven Cord Tension
Another issue arises during the final adjustment. If one cord is pulled too tight while the other remains too loose, the blind will begin to move unevenly or tilt awkwardly. For the fabric to raise and lower symmetrically, the tension on both sides of the window must be perfectly balanced.
3. Cords are Too Loose (Sagging Blinds)
Are you struggling with a blind that keeps slipping down and won't stay in your desired position? This is a textbook sign of insufficient tension on the cords. Properly tensioned cords should allow you to stop the pleated blind at any height, holding it firmly and securely in place.
4. Cords are Too Tight
On the flip side, over-tightening the cords is just as problematic. If the tension is too high, operating the blind becomes heavy, stiff, and requires excessive force. You can tell your installation is spot on when the mechanism glides with minimal effort and no resistance during daily use.
Video Tutorial – How to Install Pleated Blinds Correctly
Want to see these mistakes in action and learn how a perfectly functioning blind should operate? Watch our short video guide below:
Summary
Fitting pleated blinds does not have to be difficult. All it takes is a little patience, precise levelling, and careful adjustment of the cord tension. By avoiding these 4 pitfalls, you will enjoy a beautiful, flawless window covering that functions perfectly for years to come.


