Black Light Blocking Strips for Window Frame L Shape 60inch, 78inch, 118 inch size 2PCS
Black Light Blocking Strips Flexible Black Silicone Light Blocking Strips Reduce unwanted light gaps around your window...
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Black Light Blocking Strips
Flexible Black Silicone Light Blocking Strips
Reduce unwanted light gaps around your window shades with flexible black silicone light blocking strips. Designed for stronger light control, wider coverage, and easy installation around the top, sides, or bottom of your window.
Black Silicone
Dark surface helps reduce visible light around shade edges.
Flexible Design
Bends and folds without the brittleness of traditional rigid PVC strips.
Pre-Applied 3M
Factory-installed adhesive for faster and cleaner installation.
01
Flexible Silicone Material
Made from pure flexible silicone, these black light blocking strips can bend, fold, and adapt to different installation areas. Unlike rigid PVC light blockers, silicone is less likely to crack or break during transportation and installation.
02
Install Anywhere Light Gets In
The flexible construction allows the strip to be installed along the left side, right side, top, or bottom of the window. It can also be positioned near the headrail or mounting brackets to reduce light leakage around the top of the shade.
03
Genuine 3M Adhesive Pre-Applied
Genuine 3M adhesive is already applied to the strip at the factory. Machine application keeps the adhesive straight and smooth, eliminating the need to manually align or reapply adhesive tape before installation.
04
Wider Light Blocking Coverage
A wider light-blocking section helps cover larger gaps between the shade and window frame. This increased coverage can reduce side light and improve the overall blackout performance of your window treatment.
Strip Dimensions
Light Blocking Section
1.38 in / 3.5 cm
3M Adhesive Section
0.98 in / 2.5 cm
Designed for Better Blackout Performance
Even blackout shades can allow small amounts of light to enter through gaps around the window frame. Black light blocking strips help cover these gaps and are especially useful for bedrooms, nurseries, home theaters, and other spaces where stronger light control is preferred.
Installation Tip:
Clean and fully dry the mounting surface before installation. Test the strip position
first, then remove the adhesive liner and press the 3M adhesive firmly against the
window frame for secure attachment.
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