Both Light Blockers and Side Rail Tracks are designed for 100% blackout roller shades, effectively preventing light from seeping through gaps between shades and windows, ensuring a true blackout effect. However, they differ in application and compatibility:
Light Blockers
- Mounting Type: Only suitable for Inside Mount.
- Shape and Design: L-shaped, designed to block light from the sides.
- Compatibility: Compatible with all types of bottom bars, making them versatile for various shade designs.
Side Rail Tracks
- Mounting Type: Suitable for both Inside Mount and Outside Mount.
- Shape and Design: U-shaped tracks with integrated brushes to enhance light blocking and shade stability.
- Compatibility: Only suitable for Square Bottom Bars.
Why Are Side Rail Tracks Only Suitable for Square Bottom Bars?
Side rail tracks are exclusively compatible with square bottom bars due to the following reasons:
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Proper Fit:
- Only square bottom bars can fit securely into the side rail tracks without interference. Other shapes may not align correctly, causing functional issues.
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Weight Advantage:
- Square bottom bars are heavier, which helps overcome the resistance from the brushes inside the side tracks, ensuring smooth operation.
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Stability:
- The square design prevents the shade from slipping out or tilting during use, maintaining alignment and improving durability.
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