ZSTARR U Channel Aluminium Alloy Light Blocking Strips for

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)
- 【Why we need to install light blockers for shades】Most 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 Blockers】ZSTARR 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 Install】Simply 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 Tracks】These 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 0.2–1.5 in, allowing closer edge coverage and improved room darkening.
- 【After-sales Service】We provide high-quality products and reliable after-sales service. If any accessories or products are missing or damaged, please message us for a replacement or refund. If you are unsure whether your window type is compatible, reach out via Amazon Messages before ordering for confirmation. Need Help? We’re Here to Assist.
Country USA
Brand ZSTARR
Manufacturer ZSTARR
ItemPartNumber U40
Model U40 -White-58.5in-4pcs
Color U-shaped White-4pcs
Size 58‘’
UnitCount 4
ReleaseDate 0000-00-00

Country	USA
Brand	ZSTARR
Manufacturer	ZSTARR
ItemPartNumber	U40
Model	U40 -White-58.5in-4pcs
Color	U-shaped White-4pcs
Size	58‘’
UnitCount	4
ReleaseDate	0000-00-00

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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