Deconovo provide below types of drapery liner options.

Lining is a fabric sewn to the back of your drapery, sewn at the sides but not at the bottom. Depending on your preference, the advantages can range from enhanced sun protection, improved insulation, to increased light control. 

Opting for lining can contribute to achieving the ideal finish, making the curtains softer, effectively blocking sunlight, reducing noise, and providing insulation against both heat and cold. This, in turn, helps minimize energy loss associated with windows.
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Unlined

If you prefer curtains that don't create a blackout effect and allow some sunlight during the day, lining is not recommended.
This option is ideal for balcony, living room, and other spaces where blackout isn't necessary but aesthetics are paramount.
Typically not advisable, unless for purely functional blackout curtains. It's not advisable to line our Dutch velvet curtains.
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Brushed Fabric Full Blackout

Weight: 280 gsm weight
Color: White
Blackout: White Lining = 100% Light-blocking; Drape + Light Lining = 100% Light-blocking. The final effect also depends on the light-blocking property of the original fabric.
Feature:
  • Gives drapery more body and fullness.
    Moderate protection from sunlight damage.
  • Effectively blocks ultraviolet rays and external sun radiation, providing excellent heat insulation.
  • Demonstrates resilience through multiple water washes. 
  • Exhibits resistance to moisture and mold.
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High Precision Warm Gray Full Blackout

Weight: 195 gsm weight
Color: Warm Gray
Blackout: Warm Grey Lining = 80%-85% Light-blocking; Drape + Warm Grey Lining = 100% Light-blocking; The final effect also depends on the light-blocking property of the original fabric.
Feature:
  • Finished two layers block out 100% of sunlight
  • Gives drapery more body and fullness
  • Moderate protection from sunlight damage
  • Make back side of drapery smooth and clean
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200g Blackout Cloth Full Blackout

Weight: 200 gsm weight
Color: Black
Blackout: Blackout: Lining = 80%-85% Light-blocking; Drape + Lining = 100% Light-blocking; The final effect also depends on the light-blocking property of the original fabric.
Feature:
  • Finished two layers block out 100% of sunlight
  • Gives drapery more body and fullness
  • Moderate protection from sunlight damage 
  • Make back side of drapery smooth and clean