42in x 64in White Cordless Cellular Shades TDBU - No Tools No Drill

In this review of the 42in x 64in white cordless cellular shades from LazBlinds, the bottom line is simple: these are a practical choice for renters and homeowners who want true blackout and easy installation without altering the window frame. The reviewer found the top-down bottom-up design especially useful for dialing light and privacy, and the patented No Tools-No Drill system makes fitting the shade painless. For anyone who needs a snug inside-mount blackout solution that installs fast and keeps rooms quiet and dark, this shade delivers the core benefits with minimal fuss.

Key Features

• Inside mount sizing: The shade ships slightly undersized at 41 5/8in to allow a standard 3/8in deduction, producing a true inside-mount fit for window openings about 41.7-42.6in wide.
• No Tools-No Drill system: LazBlinds patented spring rod hardware installs without screws or brackets, letting the shade be fitted in seconds and making it ideal for renters and landlords.
• Cordless top-down bottom-up: The cordless design gives a clean look and safer environment for children and pets while allowing flexible light control by lowering either the top or bottom.
• Real blackout performance: A silver-plated layer inside the cell structure blocks sunlight and UV, creating a dark room suitable for daytime sleeping.
• Thermal and acoustic benefits: The non-sagging honeycomb cells provide insulation against heat loss or gain and help reduce outside noise for a quieter room.
• Durable fit range: The unique spring rod extends up to 1in total and supports up to 30kg, securing the shade against a range of wall materials.

Who It's For

These shades are best for people who need a blackout, cordless option for windows that accept an inside mount and who prefer not to drill holes. Renters, new homeowners, or anyone seeking a child-safe, tidy window covering will appreciate the quick installation and blackout capability.

They are less suitable for windows with very shallow frames (minimum 1.2in depth required) or for customers who need an outside mount or custom widths much wider than the stated fit range. Also, if you prefer motorized controls or fabric styles beyond cellular blackout, look elsewhere.

Pros & Cons

Pros

• Easy, no-drill installation that many customers report completing in minutes.
• Effective blackout performance thanks to the silver-plated inner layer, useful for bedrooms.
• Cordless top-down bottom-up operation gives flexible light control and a tidy appearance.
• Cellular construction provides thermal insulation and helps reduce outside noise.

Cons

• Inside mount only and requires a minimum window frame depth of 1.2in, so not compatible with all windows.
• Size fits a narrow width range (about 41.7-42.6in), so exact measuring is essential before purchase.

Specifications

Brand	LazBlinds
Shade type	Cordless cellular (honeycomb) blackout
Size (actual)	41 5/8in W x 64in H
Fit window width	Approx 41.7-42.6in
Mount	Inside mount only (min depth 1.2in)
Operation	Top-down bottom-up cordless
Load capacity	Spring rod supports up to 30kg

Our Verdict

The 42in x 64in LazBlinds cordless cellular shade is a strong option for renters and homeowners who want reliable blackout, simple cordless operation, and a no-drill install. It is good value when an inside-mount blackout solution is required and performs well at light blocking, insulation, and quieting rooms, provided the window meets the minimum depth and width range.

Frequently Asked Questions

Can I install this without drilling?
Yes, the LazBlinds No Tools-No Drill patented spring rod system installs without screws or brackets and is intended for quick inside-mount fitting.

Will it darken a bedroom?
Yes, the silver-plated inner layer inside the cellular cells is designed to provide true blackout performance for daytime sleeping.

What window depth is required?
The shade requires a minimum window frame depth of about 1.2in for a secure inside mount.