Window
Persilux Blackout Cellular Shades — Cordless Top-Down Bottom-Up Honeycomb Blinds
Product description
How to pick the right size: Check the product size chart and measure your window opening carefully. Choose the blind width that corresponds to your actual window width. These shades are offered in multiple width and height increments — for example, compact options such as 18" x 36" are available — so confirm the exact measurement before ordering to ensure a snug tension mount.
No-drill, tool-free tension mounting: The shades use a spring-tension installation system that installs into most window frames without drilling or permanent hardware. The package includes the honeycomb blind, the tension mounting components, and simple instructions. Because the system relies on pressure-fit brackets, the blind can be removed or repositioned without damaging the frame, making it a portable, renter-friendly solution.
Cordless top-down/bottom-up operation: The cordless, dual-direction design allows you to lower the shade from the top for daylight while keeping the lower portion closed for privacy, or raise it from the bottom as needed. The cordless mechanism improves safety around children and pets and provides smooth, easy adjustments without dangling cords.
Thermal and sound benefits: Built with a 1-inch honeycomb cell structure, the fabric reduces heat transfer to help stabilize indoor temperatures in warm and cool seasons. The cellular geometry and dense fabric also absorb and block some exterior noise, contributing to a quieter interior environment than single-layer window coverings.
Magnetic top rail for improved light control: The headrail features an integrated magnetic seal that minimizes the tiny gaps where light usually seeps in above the shade. That magnetic adsorption helps produce a cleaner blackout effect from the top edge and reduces light leakage compared with some traditional mount methods.
Pros
- Tool-free tension installation — renter friendly
- Cordless top-down/bottom-up for privacy and daylight control
- 1" cells offer thermal insulation and noise reduction
Cons
- Requires precise measurement for a perfect tension fit
- Small side gaps may allow a bit of light
- Occasional magnet or fit inconsistencies reported
VerdictThese cordless cellular shades deliver strong light control and thermal benefits with an easy tension-fit installation. The 1-inch honeycomb fabric helps insulate and dampen noise, while the cordless top-down/bottom-up operation balances privacy and daylight. The magnetic top rail tightens the seal at the header to cut stray light. Measuring carefully is important for a proper tension fit, but onc
Reader reviews
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Sumada 5/5
Good solution for older home windows
Needed sun protection for small stained-glass windows and couldn’t afford custom shades. Width matched perfectly, length was a little long but unobtrusive. Very easy to install and effective at blocking light.
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william e. 5/5
Clean look, true blackout
Looks great, blocks light completely. Lightweight, easy to install and operates smoothly.
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Joug 5/5
Super quick and solid
Couldn’t be easier. Took about 90 seconds to mount, feels well made and looks nice. Five stars.
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Jeanine Ray 5/5
Fast install, check your measurements
I bought one to try—my first window measured exactly 32" and fit perfectly. Another opening measured 32.25" and wouldn’t tension in, so I ordered the next half size down. Very easy to install once sized correctly.
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wp 4/5
Magnet issue but workable fix
Returned a set with a faulty magnet; the replacement had the same problem. My husband added spacers to get it working. Seems like a fulfillment slip rather than a design flaw.
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Terry Ivie 5/5
Excellent for heat and privacy
These block sunlight and help keep my room cooler in intense heat. Installation was straightforward and the top-down feature is perfect for privacy while letting light in. Highly recommend.
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Kathy Jung 5/5
Simple setup and full blackout
Hung two in about ten minutes. The tension mount holds firmly, they block light completely, and the grey looks sharp inside and out. Smooth top-down/bottom-up movement and great value.
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