Light gaps on the sides of blinds are a common frustration. This guide covers the most effective methods to block light from the sides of your blinds for a darker, more comfortable room.
Why Do Blinds Let Light In From the Sides?
Standard blinds are designed to fit within the window frame, which means there's typically a small gap between the edge of the blind and the window frame. This gap allows light to enter from the sides, which can be a problem in bedrooms, home theaters, or any room where you want complete darkness.
Methods to Block Side Light
1. Use Blackout Curtains or Drapes
Adding blackout curtains on either side of your blinds is the most effective way to block side light. Choose curtains that extend beyond the window frame on both sides to cover the gaps completely.
2. Install a Wider Blind
If your blind is mounted inside the window frame (inside mount), switching to an outside mount with a wider blind can eliminate side gaps entirely.
3. Add Side Channels or Tracks
Some blinds are available with side channels or tracks that guide the blind and eliminate gaps. These are particularly effective for roller shades and cellular shades.
4. Use Blackout Tape or Light-Blocking Strips
Specialty blackout tape or light-blocking strips can be applied to the sides of the window frame to seal gaps. These are a low-cost solution for minor light leakage.
5. Layer Window Treatments
Combining blinds with curtains or drapes provides multiple layers of light control. Even if each layer has small gaps, the combination effectively blocks most light.
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