Cordless Cellular Shades TDBU Honeycomb Blackout - No Drill Install

In this review the LazBlinds Cordless Cellular Shades are evaluated for renters, parents, and anyone who needs a dark, insulated window covering without tools. The standout reason to buy is the patented No Tools-No Drill system that lets you fit a top-down bottom-up blackout shade inside the window frame in minutes while keeping child-safe, cordless operation. Installation is intended for an inside mount and the shade is engineered to block light and improve thermal performance, which is exactly what most buyers cited as the main benefit.

Key Features

• No Tools-No Drill installation: The patented mounting system installs without screws or brackets, so a tenant or homeowner can fit the shade quickly without damaging the frame.
• Top-down bottom-up operation: The TDBU design allows independent positioning of the top and bottom rails to control privacy and light without cords.
• Real blackout lining: A silver-plated layer inside the cells blocks sunlight and UV, creating a darkened room for daytime sleeping or media rooms.
• Cordless safety and simplicity: The cordless design removes tangles and hazards for children and pets while making adjustments smooth and intuitive.
• Thermal insulation and noise reduction: The non-sagging honeycomb cells help reduce heat transfer and lessen outside noise for a more comfortable interior.
• Exact inside-mount sizing: The shade is sized as 34 5/8 in W x 64 in H with a recommended window width fit of 34.7-35.6 in and minimum frame depth of 1 1/5 in for a proper inside mount.

Who It's For

This shade is best for renters, landlords, and homeowners who need a blackout, cordless window treatment that installs without drilling and keeps the window frame intact. It also suits families with small children or pets because the cordless design improves safety while still offering flexible light control with the top-down bottom-up feature.

People who need an outside mount, very shallow frames under 1 1/5 in depth, or unusually wide windows beyond the specified fit range should look elsewhere, since this model is designed specifically for inside mount installation and a precise width fit.

Pros & Cons

Pros

• Fast, tool-free installation that works on many wall types and avoids drilling into frames.
• Effective blackout performance thanks to a silver-plated cell lining that blocks sunlight and UV rays.
• Cordless TDBU operation gives flexible light control and safer use around children and pets.
• Honeycomb cells provide real thermal insulation and reduce outside noise for better comfort.

Cons

• Designed for inside mount only and requires a minimum frame depth of 1 1/5 in, so it will not fit very shallow frames or outside-mount needs.
• Proper fit relies on the specified width range; measure carefully because the blind width is 34 5/8 in and fits 34.7-35.6 in windows.

Specifications

Our Verdict

The LazBlinds cordless cellular blackout shade is a practical choice for those who need a dark, insulated window covering that installs quickly without hardware and keeps children safe. Its real blackout lining, thermal benefit, and reliable TDBU operation make it a strong value for inside-mount applications, provided the frame depth and width fit the specified range.

Frequently Asked Questions

Can this be installed without drilling?
Yes, it uses the LazBlinds No Tools-No Drill patented system to mount inside the frame without screws or brackets.

Will it block daylight completely?
The silver-plated lining inside the honeycomb cells provides real blackout performance, greatly reducing light and UV transmission.

What window sizes does it fit?
The shade measures 34 5/8 in W x 64 in H and is designed to fit window widths of about 34.7-35.6 in with at least 1 1/5 in frame depth for inside mount.