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ZSTARR U Channel Aluminium Alloy Light Blocking Strips for Roller Blinds Light Gap Blockers Window Shades Side Rail Tracks Bedroom Sleep Nursery (White,58",4Pcs)

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Availability: 16 left in stock
Fulfilled by Amazon

Arrives Saturday, Jul 25
Order within 19 hours and 46 minutes
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Color: U-shaped White-4pcs


Size: 58‘’


Features

  • Aluminium Alloy
  • Imported
  • Why we need to install light blockers for shadesMost blinds and blackout shades are made slightly narrower than the window frame to allow smooth raising and lowering. This design often causes light leakage from the sides. If your blackout blinds or shades still let in unwanted side light, this common side gap issue can reduce room darkening. ZSTARR light blocking strips are designed to help solve this problem and improve overall room darkening performance.
  • Latest U-shaped Aluminum Alloy Light BlockersZSTARR light blocking strips are made of thickened aluminum alloy tracks for long-lasting durability. The U-shaped design allows the blockers to be installed along the sides of window shades and blinds, providing more stable coverage. By fitting closely against the edges of your blackout blinds and shades, these light blockers help reduce light leakage through the sides. They create a darker indoor environment, helping improve privacy and support better sleep quality. Designed to reduce side light gaps, not to replace blackout shades.
  • Easy To InstallSimply fasten the light blockers onto the window frame with screws for a secure fit. After removal, the side light blockers can be reused by reinstalling the screws. The light blockers can be combined or cut to length using a cutting machine for a custom fit. Size: 58 1.6 0.99 inches (4 PCS). Accessories include side covers (8 PCS), installation instructions, and screws. For maximum coverage, install as close to the blackout shades as possible. Please refer to our installation video for proper installation and alignment.
  • U-shaped Light-blocking Side TracksThese blackout side tracks are ideal for night-shift workers, light-sensitive sleepers, or anyone creating a darker room during the day for sleep, movies, or gaming. Applicable to roller shades and blinds, zebra shades, and other blinds and shades. Not suitable for cellular shades or honeycomb blinds. Recommended for inside-mount blinds with flat window frames and sufficient depth ( 1 in). Designed for blinds with a slim bottom rail (recommended width 0.5 in) and to reduce common side light gaps ranging from 0.21.5 in, allowing closer edge coverage and improved room darkening.

Description

Why do blackout blinds still leak light from the sides? Most blinds are made slightly narrower than the window frame, which creates side gaps and allows light to enter. What side gap size are these light blockers designed for? Designed to reduce common side light gaps of 0.2–1.5 in along blackout blinds and shades. What blinds are compatible with these U-shaped side tracks? Works with roller shades, zebra shades, and similar blinds. Not suitable for cellular or honeycomb shades. What measurements should be checked before ordering? Inside-mount window depth ≥ 1 in. Recommended bottom rail width ≤ 0.5 inch Do these light blockers replace blackout shades? No. They are designed to reduce side light gaps and improve edge coverage when used with blackout shades. U-shape Light Blockers L-shape Light Blockers PVC Flexible Track Aluminum Flexible Track Motorized Track Motorized Roller Shades Visit the Store Visit the Store Visit the Store Visit the Store Visit the Store Visit the Store Visit the Store Visit the Store

Material: Aluminum


Brand: ZSTARR


Color: U-shaped White-4pcs


Opacity: Blackout


Recommended Uses For Product: Indoor


Opacity: Blackout


Operation Mode: Manual


Additional Features: Light blocking


Mounting Type: Inside Mount


Water Resistance Level: Waterproof


Control Type: cord/chain


Number of Items: 4


Size: 58‘’


Material Type: Aluminum


Product Care Instructions: Spot Clean Only


Color: U-shaped White-4pcs


Shape: Rectangular or Semicircular


Brand Name: ZSTARR


Recommended Uses For Product: Indoor


Specific Uses For Product: Home Décor, Nursery/Baby


Room Type: Bathroom, Bedroom, Home Office, Kids Room, Media Room


Included Components: User Manual


Model Number: U40 -White-58.5in-4pcs


Manufacturer: ZSTARR


Item Type Name: Roller Window Shades


Unit Count: 4.0 Count


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, Jul 25

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • A little expense for what they are, but they do work and are made well
Color: U-shaped Custom Size: 44''-115''
I have a Yoolax roller shade in my bedroom that is surface mounted on a window. Quite a bit of light gets past the edges when closed, so I bought these to help cut down on the light leakage. These are very sturdy and have a soft fabric "brush" on the inside edges to protect the edge of the window shade. I had to shorten these channels to fit my windows, I just used my table saw with a fine tooth blade to cut through the aluminum channel. The plastic cover on both ends is removable, just make sure to clean out the channel as there are some grooves that the end piece needs to fit in to lock it in. I used a thin run of double sided tape to adhere these to the outside trim of the window. The weighted bottom of the Yoolax shade fits nicely in the channel and the shade still opens and closes without binding. Looks nice and the color is very close to the metal valance of my roller shade. ... show more
Reviewed in the United States on March 17, 2024 by E Reed E Reed

  • Great Product
Color: U-shaped White-4pcs Size: 58‘’
I had roller shades professionally installed in a new condo and couldn’t stand the light leakage out the sides. The room was so bright with the shades all the way down. Apparently, Graber doesn’t sell side channels for the expensive shades we purchased and I didn’t even realize it would be a problem until they were installed. I purchased these UChannels from Amazon and had the company that sold us the shades cut them and install them using 2 wood screws. I then had to buy rope caulk and put it behind the channels to block the slivers of light that came through the wood frame and the channels. The room is much darker now and I am happy with the purchase. Before and after pics attached to review. ... show more
Reviewed in the United States on August 17, 2024 by iwanttobead iwanttobead

  • Helps block extra light
Color: L-shaped White-4pcs Size: 79‘’
I got these to put around some roller shades I had installed as they were inside the frame and did not go edge to edge. They certainly work but aren’t perfect. Installation was mediocre. I had to cut these down with a small hand saw and the edge was very rough. I put that at the top behind the valence but probably should have sanded it for safety. The peel off paper on the adhesive was also a pain to remove. It ripped several times when I was peeling so I needed a small razor to find the edge again. The adhesive itself is very sticky. So much so that when I tried to quickly remove it after touching it to the wall to align it better, it took off some of the paint. I don’t think there’s any risk of it falling off, but will update this review if it ever does. I don’t use the hardware or the included as the adhesive felt plenty strong. Similarly, I haven’t added the included blackout tape to line the inside yet. I’m sure that will help a bit. As it stands though, this certainly does help block out some of the light but you’ll really need to use guides to push a shade flush against the inside track if you want it to block everything. It looks pretty good now that it’s installed and I could probably paint over it if I wanted to match the wall color in the future. The value is also pretty good relative to other options. Size is fine now that I cut it down. Overall it’s a good option, though I’d prefer to see easier adhesive tape removal and some kind of included guide to keep it level when installing. Feels easy enough to include a plastic piece that can clip on to each end that can keep the piece square to the edge of the frame when you’re installing. ... show more
Reviewed in the United States on June 2, 2024 by D4st

  • Looks great and easy to install
Color: L-Shaped White-2pcs Size: 58‘’
I have roller blinds in my bedroom which means that there was a 0.5”-0.75” gap on each side so I bough 5 pairs of these and now my room is much darker. They look clean and made of thick material. The 3M tape is pre-installed so you just have to measure twice, cut to size and stick it to your window pane. Some reviews mentioned that it is hard to cut. I have a miter saw so I cut through these easily but since they are made with thick plastic, I wouldn’t advise trying to cut them with shears. At a minimum you’d need a hand saw. I had an issue where one of my orders wasn’t as wide as the other and seller sent me a replacement set right away. Don’t worry about these being too wide because they still look great. See my pics. Not 100% blackout because it depends on how your roller blinds were install but for my family, it’s given us 2-3 hours more sleep with the early daylight we get in Southern California. ... show more
Reviewed in the United States on July 30, 2023 by Ivan C. Ivan C.

  • Great quality, and works!
Color: L-shaped Custom Size: 44''-115''
I was a little reluctant to buy it because I know they aren’t returnable. I measured with my tape measure, confirmed the measurements when they messaged me after purchase and I received them in a very hard cardboard tube so the pieces were not damaged or bent at all. After ordering two sets and seeing how great they were and worked, I ordered two additional sets, and it was very happy with the quality and with the consistency! The measurements were perfectly spot on. I don’t think the black tape is necessary for anything. I think it’s supposed to absorb light, but it doesn’t do anything so I left that off. The tape that comes on the pieces with the adhesive is very strong and super easy to stick up! ... show more
Reviewed in the United States on June 11, 2024 by Lelo84

  • Loved!
Color: L-Shaped White-2pcs Size: 58‘’
So I had just installed new blinds in my kitchen window and it is very big. The blinds look gorgeous except they were a little on the short side width wise and they couldn’t find a size for our window. I purchased these because it fits perfectly on the sides of to cover where light would shine through or at night where they could see from outside in. Will definitely purchase again if needed. ... show more
Reviewed in the United States on July 14, 2024 by Nancy

  • Adhesive way to strong - damaged my wall and the product snapped
Color: L-Shaped Black-2pcs Size: 58‘’
I was setting this up in my kids room on two windows. I managed to do the first window without any issues, but I misaligned the second window and some light was creeping through. I thought oh no problem, I see where I misaligned the initial placement. Wanted to redo my placement and I cannot remove these from my wall! I removed one side of the blockers with minimal issues, but this other side ended up damaging my wall. The adhesive was so strong the blocker ended up snapping as I was trying to remove it. I'm now stuck with half of this light blocker in my kid's window frame and I have no idea how to remove it. At this point, I just need to remove it with minimal damage to my window frame. If you can do this on your first try, you're golden and works like a charm. Slight misalignment and need to redo the placement? Expect a headache. ... show more
Reviewed in the United States on October 26, 2024 by Clay V

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