100% Blackout Roller Shades Grey 37in x 75in - Cordless Thermal

In this review of the 100% Blackout Roller Shades in grey (37in x 75in) the bottom line is simple: this cordless, thermal-insulated blind is for anyone who needs complete light control and better room temperature management without dangling cords. The reviewer found the shades deliver on the primary promise of 100% blackout and thermal insulation, while remaining easy to install and operate. They are particularly suitable for bedrooms, media rooms and French doors where privacy and darkness matter.

Key Features

• Size guidance: Clear inside and outside mount instructions help pick the right width, noting fabric is 0.8in narrower than the shade size for accurate fit.
• Cordless safety: The cordless design removes dangling cords for a safer environment around children and pets while allowing smooth height adjustment from 0 to 75in.
• Tension adjustment: A built-in tension screw on the right end lets users fine tune roll-up and roll-down resistance for consistent, reliable operation.
• Four-layer fabric: Multi-layer polyester construction provides UV protection, noise reduction and thermal insulation in addition to light blocking.
• Durable hardware: Aluminum alloy top rail and bottom rod and a lift mechanism rated for long-term use make the shade feel sturdy and well built.
• Installation kit: Included metal brackets, screws and pull rings plus an installation video let most people finish the mount in about 10-15 minutes.

Who It's For

This shade is aimed at homeowners and renters who need reliable blackout window coverage for sleeping areas, nurseries or media rooms and prefer a cordless look for safety and simplicity. It also suits French doors and larger windows that benefit from a thermal layer to reduce drafts and solar heat gain.

Shoppers who need exact custom fabric coverage or motorized operation should look elsewhere; this product is a manual cordless roller with a fabric width slightly narrower than the ordered shade size, so precise fitting for very tight inside mounts requires care.

Pros & Cons

Pros

• Effectively blocks light and improves privacy thanks to the four-layer 100% blackout fabric.
• Safe cordless design and smooth height control make it family friendly and convenient.
• Includes hardware and a video guide, making installation straightforward for most users.
• Thermal insulation and noise reduction add practical comfort benefits beyond light blocking.

Cons

• Fabric width is 0.8in narrower than the listed shade size, which can complicate very precise inside mounts.
• Some users report small variation in roll-up tension that may require occasional readjustment of the tension screw.

Specifications

Brand	GENIMO
Size	37in W x 75in H
Color	Grey
Material	Four-layer polyester fabric with aluminum alloy tracks and bottom rod
Mount options	Inside mount (min 3in frame depth) or outside mount (add at least 4in width)
Operation	Cordless with built-in tension adjustment
Benefits	100% blackout, UV protection, thermal insulation, noise reduction

Our Verdict

These grey 100% blackout roller shades are a practical choice for bedrooms, media spaces and French doors where darkness and privacy are priorities. The cordless design, thermal benefits and included hardware make them good value for the price, though careful measurement is needed for tight inside mounts because the fabric runs slightly narrower than the shade size.

Frequently Asked Questions

Will these shades fully block daylight?
Yes; the four-layer fabric construction is designed to provide 100% blackout when installed as recommended, especially with an outside mount.

Are these safe for homes with children?
Yes; the cordless design eliminates dangling cords, improving safety for children and pets.

How difficult is installation?
Most users can install the shade in 10-15 minutes using the included brackets and screws; a tension screw on the right end allows fine tuning.