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4.5
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Sulugood NO Drill Same Color With Casing Cellular Shade in black, installed on double doors.
Vendor:SULUGOOD

Sulugood No Drill Same Color With Casing Cellular Shade

Sale price$84.92Regular price $99.90
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Sulugood Motorized Cellular Shades Day and Night Cordless Cellular Blinds
4.7
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Sulugood Full Wrap-around Cassette Valance Roller Shades
Vendor:Sulugood

Sulugood Full Wrap-around Cassette Valance Roller Shades

Sale price$67.92Regular price $79.90
4.7
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Sulugood Modern Cordless Custom Size Blackout Light Filtering Cellular Blinds in a bright living room setting.
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Sulugood Blckout Hand-Held Cassette Valance Roller Shades in a stylish living room with a blue couch.
Vendor:SULUGOOD

Sulugood Blackout Hand-Held Cassette Valance Roller Shades

Sale price$67.92Regular price $79.90
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Sulugood No Drill Light Filtering Blackout Cellular Shade in a modern office with white furniture.
Vendor:Sulugood

Sulugood No Drill Light Filtering Blackout Cellular Shade

Sale price$84.92Regular price $99.90
4.7
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Sulugood Linen Double-sided Same Color Cordless Blackout Roller Shades in a modern home office setting.
4.8
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FB01-White
Vendor:Sulugood

Sulugood Classic Cordless Roman Shades

Sale price$84.92Regular price $121.31
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Sulugood No Dril Same Color With Casing Cellular Shades installed in a modern kitchen window.
Vendor:SULUGOOD

Sulugood No Drill Same Color With Casing Cellular Shades

Sale price$84.92Regular price $99.90

FAQs

Please read our FAQs page to find out more.

Can Blackout Blinds Truly Achieve “Complete Darkness”?

In reality, “complete darkness” is nearly impossible to achieve, as light leaks occur around window frames, track gaps, and due to imperfect installation. The industry often states, “Nearly all light is blocked, but it is not entirely dark.”

How much does the installation method (inside mount vs. outside mount) affect light blocking?

It makes a significant difference. Outside mount (extending beyond the window frame) is more effective at reducing edge light leakage than inside mount. For maximum light blocking, it's recommended that curtains/window treatments extend several inches beyond the window frame.

Do Blackout blinds provide both heat insulation and energy-saving benefits?

It is possible. Blackout fabrics combined with honeycomb structures or thick woven fabrics can help reduce heat transfer and improve temperature stability within a room.

Will blackout blinds make my west-facing windows or balcony glass doors too dark?

It depends on your needs. If you want to maintain bright light or daylight conditions, blackout blinds might feel “overkill.” But if your practical needs are light blocking, privacy, and energy efficiency, then they're just right.

Are Blackout Blinds Suitable for Every Room?

Not necessarily. Designers suggest that kitchens, dining rooms, and multipurpose rooms/living rooms may not be ideal for full-window coverage with extremely dark blackout shades, as they can compromise natural light and ambiance.

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