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

4.2 stars out of 1242 reviews
(4.2)|
1,242 ratings

Key item features

  • Sliding Door Design: Features a detachable pull wand, making it ideal for use with sliding glass doors and large windows.
  • Thermal Efficiency: Engineered with thermal properties to reduce energy loss, helping to keep interiors cooler in summer and warmer in winter.
  • Room Darkening: The panel is thermal-backed and made from materials that effectively block light, darkening the room for improved sleep.
  • Noise Reduction: Contributes to a quieter indoor environment by reducing external noise, promoting more uninterrupted rest.
  • Generous Dimensions: Measures 100 inches wide by 84 inches long, providing ample coverage for large windows and patio doors.
  • Durable Material: Constructed from 100 percent polyester, ensuring durability and ease of care as it is machine washable.
  • Easy Installation: Designed with an easy-to-hang grommet-top, suitable for curtain rods up to 1.5 inches in diameter.
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Current price is $21.26
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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
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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?1VPCJ5WNEH1S55824518
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?1VPCJ5WNEH1S55824518
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?1VPCJ5WNEH1S55824518