100% White Blackout Patio Sliding Glass Door Curtains 84 in - Full

In this review we look at a single 100 in x 84 in panel designed for sliding glass doors and French doors, and why it matters for anyone needing true darkness and thermal control. The bottom line: this panel is for people who want complete light blocking and improved insulation without layering multiple curtains. The reviewer found the fabric heavy and soft, the construction effective at room darkening, and the overall package good for bedrooms, media rooms or as a divider where privacy and heat retention matter most.

Key Features

• Full blackout coverage: The triple weave double layer fabric blocks 100% of exterior light, useful for achieving complete darkness in sleeping or media spaces.
• Extra wide single panel: At 100 in wide by 84 in long, the panel provides broad coverage for sliding doors or French doors without gaps.
• Thermal insulation: The heavy, insulated material reduces heat transfer and helps retain warmth in winter or limit heat in summer.
• Noise reduction: The multi-layer construction dampens exterior noise better than a single-layer curtain, improving privacy and quiet.
• Soft, durable fabric: The silky-feeling triple weave material is described as durable and comfortable to the touch with no chemical smell, suitable for long term use.
• Easy care: Machine washable on cold with mild detergent and tumble dry low, with creases removed by light ironing or steaming.

Who It's For

This curtain panel is well suited to renters and homeowners who need a single, wide solution for sliding glass doors, French doors or large window openings and want true darkness for sleep or home theater use. The heavy fabric helps with heat retention and is a practical choice for colder rooms or those seeking energy savings.

It is less suitable for those who need a sheer look or bright natural light; if you want light filtering rather than complete blackout, or prefer decorative layered treatments, consider a lighter multi-panel setup instead.

Pros & Cons

Pros

• Effectively blocks exterior light for complete room darkening and privacy.
• Thick, triple weave fabric provides thermal insulation and noticeable noise reduction.
• Large 100 in width covers wide openings with one panel, reducing seams and gaps.
• Machine washable and soft to the touch with no lingering chemical odor.

Cons

• The heavy weight may require sturdy curtain hardware and can feel bulky on lightweight rods.
• Only one panel is included per package, so very wide installations may need multiple purchases.

Specifications

Brand	FMFUNCTEX
Panel count	1 full blackout panel
Panel size	100 in wide x 84 in long
Fabric	Triple weave double layer thermal insulated blackout fabric
Light blocking	100% blackout
Care	Machine wash cold, tumble dry low, light iron or steam to remove creases
Benefits	Thermal insulation and noise reduction

Our Verdict

This wide 100 in x 84 in blackout panel is a practical, value-oriented pick for anyone who needs total darkness, improved thermal performance and better sound dampening from a single curtain. It works especially well on sliding glass doors and in bedrooms or media rooms where insulation and privacy are priorities, provided you use sufficiently sturdy rods to support the weight.

Frequently Asked Questions

Will this curtain block all incoming light?
Yes, the triple weave double layer fabric is designed to provide 100% blackout performance when hung correctly.

Can it help with heating and cooling costs?
Yes, the thermal insulated construction helps reduce heat transfer and can improve room temperature retention.

How should it be cleaned?
Machine wash cold with mild detergent, tumble dry low, and use light ironing or steaming to remove creases.