Why do my blinds sag in the middle?

Author: Eudora Cole DVM  |  Last update: Saturday, June 21, 2025

Sagging: A common issue that can occur with larger Venetian blinds, sagging occurs especially if blinds are made of heavier materials like wood. Over time, the weight of the slats can cause the blinds to sag in the middle.

How do I stop my blinds from sagging in the middle?

Measure the distance between the two existing brackets and mark the middle point. Make sure the marked point is in line with the other installed brackets. Attached the another bracket to your marked position. This support bracket will help keep your blind straight and not sagging.

What causes blinds to sag?

If the blinds continue to sag, it might be due to uneven weight distribution. Remove the blinds from the brackets and lay them out on a flat surface. Rearrange or remove any slats that are significantly damaged or bent, which could be adding extra weight and causing the sag.

How do you fix the middle string in blinds?

  1. Assess the Blind's Current Issue or Damage. ...
  2. Measure Your Blind Strings. ...
  3. Cut Your Blind Strings to the Necessary Lengths. ...
  4. Lower Your Old Blinds, Then Remove the Old String. ...
  5. Fuse the Old Strings to the New Strings. ...
  6. Guide the New String Through the Blind, Then Tie It Off. ...
  7. Raise Your Blinds Carefully to Test Your Work.

How to fix blinds that are uneven?

Simply hold on to the middle of the blind and gently pull it all the way down; as this is now fully extended, this should mean that the bottom of the blind is even. Now raise it back up, adjusting each side and repeating as necessary until it's even.

Venetian Blind Sagging on One Side.

Why are my blinds falling apart?

Most likely the chain mechanism, responsible for raising the fabric, or the roller (the material is wound onto it) is damaged. There may also be damage to the fastening system, guide or cassette.

How do you fix uneven honeycomb blinds with cord?

The bottom of my cellular shade does not hang evenly.

To fix this, make sure the 2 (or more) lift cords all have the same tension, and are all at the same level. For continuous cord loop, make sure the "c" clips are even to each other.

How much does it cost to restring blinds?

The national average cost per visit for window blind repair is $100–225, including parts and labor. “We generally charge $100 to show up and fix the first blind,” says Sky Benson of Custom Blinds Shades Shutters and Repair in North Hollywood, California.

How to fix a blind slat?

How to Fix Broken Slat in Blinds.
  1. Step 1: Identify the Problem and Intended Solution. My problem is obvious. ...
  2. Step 2: Find and Remove the Plugs. ...
  3. Step 3: Remove the Lift String. ...
  4. Step 4: Replace the Broken Slat. ...
  5. Step 5: Rethread the Lift String. ...
  6. Step 6: Thread the Base. ...
  7. Step 7: Replace the Plugs. ...
  8. Step 8: Finishing Up.

Why does my Roman blind sag in the middle?

If you have installed wide Roman shades on your windows, they are likely to bend down in the middle. Over time, the fabric of your Roman shades may start to sag in the middle and cause a droopy appearance. Sagging can happen due to the weight of the fabric, poor-quality construction, and improper installation.

Do faux wood blinds sag?

Faux-wood blind sagging is almost exclusively an issue with readymade faux-wood blinds, which are far less sturdy and hardwearing, and which might not have the structural integrity or appropriate number of support brackets required to keep them from bowing or sagging over time under the force of their own weight.

What causes a window to sag?

Moisture damage: Over time, water can seep into the frame, causing wood to rot. Temperature fluctuations: Extreme heat or cold can cause materials to expand and contract, leading to sagging. Aging materials: As windows age, they may lose their strength and integrity.

Why are my blinds drooping?

Sagging blinds can be caused by soft cords or disconnected string ladders, or cloth tape.

How do I make my blinds tighter?

Step 1: If the blind is too loose, remove it from brackets and roll up by hand to increase tension. Step 2: Reinstall it back in the window and the process until desired tension is achieved. Step 3: If your roller blind is too tight or won't stay down, take it down. Step 4: Roll the fabric down halfway by hand.

Why are my blinds warping?

Warping or Bending

When blinds made from specific materials get exposed to moisture or excessive heat, they will begin to warp or bend. For example, composite or faux wood blinds have a plastic content that can be sensitive to excessive sunlight and heat.

Is it worth it to restring blinds?

Cost Savings

Repairing damaged blinds is often a more affordable option than purchasing new ones. The cost of replacement blinds, especially if you have multiple windows to cover, can quickly add up.

How much does a handyman charge to replace blinds?

A handyman charges $50 to $80 per hour on average or $30 to $80 per window to install blinds. To save money on labor fees, remove your old blinds or window treatments yourself before having a professional install the new blinds. A worker installing window blinds in a home.

Why do blinds not have strings anymore?

Dangers & Legal Standards

Between 1990 and 2015, more than 16,000 children were injured. In light of this, industry-wide government regulations were passed. Corded blinds and shades are no longer available for sale in the United States.

Why are my honeycomb blinds not staying up?

The most frequent offenders behind blinds that won't stay up are a malfunctioning cord lock or a compromised lift cord. The lift cord is the internal cord mechanism responsible for raising and lowering the shade. A simple test can help pinpoint the problematic component.

How do you tighten blind strings?

Adjust the lift cord tension by pulling the cord toward the center of the blinds and using pliers to turn the tension screw clockwise to tighten or counterclockwise to loosen. Test the lift cord tension by lifting the blinds to make sure they are at the desired tightness or looseness.

How to fix blinds uneven?

To address uneven lift cords, fully lower the blinds. Inspect the cords where they pass through the lock mechanism in the headrail. If one cord is longer than the other, pull on it until both sides are even. Then, raise and lower the blinds several times to ensure they move evenly.

How do you fix blinds that won't go up evenly?

Uneven blinds can be the result of tangled cords within the mechanism or a spring that is not properly tensioned:
  1. Remove the shades from the brackets.
  2. Roll the shades out completely and provide a gentle but firm tug to align the fabric or slats on both sides.
  3. Remount the shades and check for evenness.

Do Levolor blinds have a lifetime warranty?

LEVOLOR®; extends a limited lifetime warranty to the original residential retail purchaser only if the product was properly installed and remains in the original window.

How do you fix uneven honeycomb blinds?

The shade raises or lowers unevenly, or the bottom rail is uneven when fully raised. First, check that the headrail and installation brackets are level and aligned, and are fixed tightly to the mounting surface. Also, check to see if there is an obstruction in the shade's path.

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