Cordless Cellular Shades Top Down Bottom Up - Blackout Honeycomb

In this review the LazBlinds cordless cellular shade is evaluated as a practical solution for renters, parents and anyone wanting darkened rooms without drilling. The biggest reason to buy is its No Tools-No Drill installation that fits inside-mounted windows and delivers true blackout performance thanks to a silver-plated cell lining. The shade reviewed is the 24in by 48in nominal size (actual blind 23 5/8in by 48in) in black and is judged on fit, light control and ease of use.

Key Features

• No Tools-No Drill system: Installs inside the window frame in about 30 seconds without screws or brackets, ideal for renters or quick replacements.
• Top down bottom up (TDBU): The mechanical stopper lets you lower the top and raise the bottom independently to control privacy and light at the same time.
• Cordless design: Provides a tidy, child-safe window area and smooth manual operation to raise or lower the shade without cords.
• True blackout lining: A silver-plated layer inside each cell blocks sunlight and UV for effective room darkening and better sleep during daytime.
• Thermal insulation: The non-sagging honeycomb cells trap air to reduce heat transfer and help maintain indoor temperature year round.
• Precision fit for inside mount: Manufactured with a 3/8in deduction so the actual shade measures 23 5/8in W to fit window openings from about 23.7in to 24.6in with a minimum 1 1/5in frame depth.

Who It's For

This shade is best for people with inside-mounted windows who need strong light blocking and clean cordless styling. It suits bedrooms, nurseries and media rooms where blackout performance and child safety are priorities, and it appeals to renters or homeowners who do not want to drill into frames.

It is not a universal solution for windows that require outside mount or deeper headboxes; buyers who need exact custom sizing beyond the stated fit range or who prefer motorized controls should look elsewhere.

Pros & Cons

Pros

• Easy, truly tool-free installation that leaves no permanent holes in the frame.
• Effective blackout and UV blocking from the silver-plated cell lining for daytime sleep.
• Cordless operation and TDBU flexibility deliver neat appearance and privacy control.
• Thermal honeycomb cells add insulation and reduce outside noise slightly.

Cons

• Designed for inside mount only and requires a minimum frame depth, so it will not suit every window.
• Fit relies on a small tolerance range; very irregular or much wider openings will need a different size.

Specifications

Brand	LazBlinds
Nominal size	24in W x 48in H
Actual blind size	23 5/8in W x 48in H
Mount type	Inside mount only
Minimum frame depth	1 1/5in required
Operation	Cordless top down bottom up (TDBU)
Light control	Silver-plated blackout honeycomb cells

Our Verdict

The LazBlinds cordless cellular shade is a strong choice for anyone needing inside-mounted blackout blinds that install without tools. It combines real room darkening, simple cordless operation and thermal benefits at a reasonable value, especially for renters and parents who want a quick, no-damage installation and good light control.

Frequently Asked Questions

Does this require drilling?
No, the patented No Tools-No Drill system installs without drilling, screws or brackets and is intended for inside-mount installation.

Will it fit my 24in window?
The actual blind width is 23 5/8in and the spring rod allows fit for openings approximately 23.7in to 24.6in; verify a minimum frame depth of 1 1/5in.

How dark does the room get?
With the silver-plated lining the shade provides true blackout performance and blocks sunlight and UV for daytime sleeping and media rooms.