Mainstays Thermal Lined Room Darkening Sliding Glass Door Grommet Curtain Panel, 100" x 84", Black
Mainstays Thermal Lined Room Darkening Sliding Glass Door Grommet Curtain Panel, 100" x 84", Black
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Mainstays

Mainstays Thermal Lined Room Darkening Sliding Glass Door Grommet Curtain Panel, 100" x 84", Black

4.2 stars out of 1242 reviews
(4.2)|
1,242 ratings
Mainstays Thermal Lined Room Darkening Sliding Glass Door Grommet Curtain Panel, 100" x 84", BlackMainstays Sliding Glass Door Thermal Lined Room Darkening Grommet Curtain Panel 100 x 84Mainstays Sliding Glass Door Thermal Lined Room Darkening Grommet Curtain Panel 100 x 84 in RedMainstays Sliding Glass Door Thermal Lined Room Darkening Grommet Curtain Panel 100 x 84 in GrayMainstays Sliding Glass Door Thermal Lined Room Darkening Grommet Curtain Panel 100 x 84 in BrownMainstays Blackout Energy Efficient Extra Wide Sliding Glass Door Grommet Curtain Panel with Detachable Wand in Brownstone 100 x 84Mainstays Sliding Glass Door Thermal Lined Room Darkening Grommet Curtain Panel White 100 x 84Mainstays Sliding Glass Door Thermal Lined Room Darkening Grommet Curtain Panel 100 x 84 in Blue
Size:100" W x 84" L
Actual Color:Black
selected, Black
Blue
Brownstone
Gray
White
Brown, Out of stock
Red, Out of stock

Key item features

  • Door Compatibility: Designed for sliding glass doors and large windows, featuring a detachable pull wand for convenient operation.
  • Energy Efficiency: Thermal-lined construction helps reduce energy loss, keeping homes cooler in summer and warmer in winter.
  • Room Darkening: Blackout panel with thermal backing effectively blocks light, darkening the room, with darker colors offering enhanced light reduction.
  • Noise Reduction: Contributes to a quieter environment, promoting sounder and more uninterrupted sleep.
  • Material & Care: Made from 100% polyester, this single curtain panel is machine washable for easy maintenance.
  • Panel Dimensions: Measures 100 inches wide by 84 inches long, featuring a grommet-top design for rods up to 1.5 inches in diameter.
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Current price is $21.91
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Columbus, 43215
Arrives by Thu, Feb 26
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About this item

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Customer ratings & reviews

4.2 out of 5 stars
stars1,242 ratings686 reviews
How item rating is calculated
  1. 5 stars67% (828)
  2. 4 stars13% (158)
  3. 3 stars7% (88)
  4. 2 stars4% (51)
  5. 1 star9% (117)

Reviews summary

Pros
  • : Works well with outdoor spaces.
  • : Covers entire door with ease.
  • : Moves effortlessly along the track.
  • : Blocks most light, but some may pass through.
  • : Prevents most sunlight from entering the room.
Neutral
  • : Can be smooth and thick, but also thin and prone to defects.
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Showing 1-3 of 686 reviews

Jun 8, 2025
Cheryl
Item details
Size: 100 x 84
Color: Brownstone
5 out of 5 stars review

Verified Purchase

Nice looking blackout curtains, even indoors

The blackout of these curtains is true. I'm using them indoors and they're serving their purpose so far very well. They slide easily on their sturdy grommets and look nice.

Helpful?1VPCJ5WNEH1S465656756
May 11, 2025
Stacy
Top Reviewer
Item details
Size: 100 x 84
Color: Gray
5 out of 5 stars review

Verified Purchase

I bought this curtain to cover a sliding glass door to keep it cooler in my bedroom. It works great! It keeps my room nice and cool and super dark at night! Well made. Good and thick!

Helpful?1VPCJ5WNEH1S465656756
Aug 1, 2025
charles
Item details
Size: 100 x 84
Color: Blue
5 out of 5 stars review

Verified Purchase

With the thermal insulation, we can really tell the difference in our kitchen, from closed to open, really keeps the heat out, and we live in south Texas. Impressed for sure, thanx.

Helpful?1VPCJ5WNEH1S465656756