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

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

Mainstays Thermal Lined Room Darkening Sliding Glass Door Grommet Curtain Panel, 100" x 84", GrayMainstays 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 RedMainstays 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 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:Gray

Key item features

  • Versatile Application: This Mainstays curtain panel, measuring 100" x 84", is specifically designed for sliding glass doors and large windows, featuring a detachable pull wand for convenient operation.
  • Thermal Efficiency: The panel boasts energy-efficient thermal properties, effectively reducing heat loss in winter and keeping homes cooler in summer by blocking external temperatures.
  • Enhanced Darkness: With its room-darkening and blackout capabilities, this thermal-backed panel significantly blocks light, with darker colors offering superior light reduction for improved sleep.
  • Noise Reduction: The curtain's design incorporates noise reduction features, contributing to a quieter indoor environment and promoting more restful, uninterrupted sleep.
  • Durable Material: Constructed from 100 percent polyester, the single curtain panel is machine washable, ensuring easy maintenance and lasting durability.
  • Grommet Top: Featuring an easy-to-hang grommet-top design, this panel offers a classic style that complements various room decors and is suitable for curtain rods up to 1.5 inches in diameter.
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Current price is $21.59
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About this item

Product details

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Customer ratings & reviews

4.2 out of 5 stars
stars1,305 ratings701 reviews
How item rating is calculated
  1. 5 stars67% (874)
  2. 4 stars13% (165)
  3. 3 stars7% (93)
  4. 2 stars4% (54)
  5. 1 star9% (119)

Reviews summary

Pros

  • : Offers great value at this cost.
  • : Made of high-quality fabric with a smooth texture.
  • : Fits standard sliding glass and patio doors.
  • : Described as having deeper, more vibrant hues than anticipated.

Neutral

  • : Can be easy to hang, but may require ironing or steaming to remove wrinkles.

Cons

  • : May require ironing or steaming to remove wrinkles.
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Showing 1-3 of 701 reviews

Jun 8, 2025
Cheryl
Item details
Size: 100" W x 84" L
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?1VPCJ5WNEH1S55824522
Mar 27, 2026
Levi
Item details
Size: 100" W x 84" L
Color: White
5 out of 5 stars review

Verified Purchase

Perfect for FL Room

Perfect bright white curtains for my huge FL room windows. They have the appearance of cotton, which I like, so they don’t look like cheap polyester curtains. They certainly cut down the glare in the room and make it easier to watch TV but they aren’t completely black-out curtains. The wand makes it so much easier to open and close without having my kids touch the white curtains

Helpful?1VPCJ5WNEH1S55824522
Apr 26, 2026
BrooklynAl
Item details
Size: 100" W x 84" L
Color: Brownstone
5 out of 5 stars review

Verified Purchase

Beautiful and efficient heat blocker

Lovely curtains that exceeded my expectations. They serve as an efficient blocker of the sun's heat from my patio door and prevent the inside temperature from being affected. I highly recommend them.

Helpful?1VPCJ5WNEH1S55824522