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Best 144 Inch Blackout Curtains for Large Windows and Sliding Doors

Discover top 144-inch blackout curtains designed to block light, reduce noise, and improve energy efficiency for wide windows and sliding doors. The selections below cover velvet, linen blends, and heavy-duty fabrics to fit modern and classic decors while maintaining thermal performance and privacy.

Summary of Selected Products

Product Brand Width x Length Hanging Style Key Benefit
NICETOWN Black Out 144 Inch Curtain NICETOWN 100″ W x 144″ L (1 Panel) Grommet Effective 85-99% light blocking
RAIN CITY 144 Inch Blackout Linen Curtains (2 Panels) RAIN CITY 100″ W x 144″ L (2 Panels) Back Tab / Rod Pocket / Clips Full blackout with soft linen texture
RAIN CITY Extra Long Blackout Curtains 144 Inches RAIN CITY 100″ W x 144″ L (2 Panels) Back Tab / Rod Pocket Thermal insulation with complete darkness
QJmydeco Extra Long 144 Inch Blackout Curtains QJmydeco 50″ W x 144″ L (2 Panels) Rod Pocket / Back Tab 100% blackout with blended fabric
Guken Cream Linen Blackout Curtains 144 Inch Guken 52″ W x 144″ L (2 Panels) Back Tab / Rod Pocket 100% blackout with linen blend

NICETOWN Blackout Curtain For Sliding Doors


NICETOWN Blackout Curtain image

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The NICETOWN 1-panel blackout curtain is designed for wide or sliding panels. Each panel measures 100″ wide by 118″ long, with matte silver grommets that fit curtain rods up to 1.6 inches in diameter. The three-layer construction features a middle layer of black yarns to block 85-99% of light, enhancing privacy and reducing glare. In addition to light blocking, these curtains help minimize heat transfer, supporting energy efficiency in living rooms and bedrooms.

RAIN CITY 144 Inch Blackout Linen Curtains (Two Panels)


RAIN CITY two-panel blackout linen curtains

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These curtains come as two panels, each 50″ wide by 144″ long, totaling 100″ of width. They offer five hanging options—back tab, rod pocket, clips with rings, and pleated looks—for flexible styling. The full blackout lining blocks sunlight and UV rays while maintaining a soft linen texture, delivering a balance of aesthetics and performance for large windows or patio doors.

RAIN CITY Extra Long Blackout Curtains (Beige)


RAIN CITY extra long blackout curtains image

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These curtains are sold as a 2-panel set, each 50″ wide by 144″ long. They feature a blackout lining described as a combination that blocks out sunlight effectively and offers UV protection. The product supports multiple hanging styles and is suitable for larger windows, living rooms, bedrooms, and sliding doors while helping to manage thermal performance and light exposure.

QJmydeco Extra Long Blackout Curtains


QJmydeco blackout curtains image

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QJmydeco delivers two 50″ wide by 144″ long panels using a linen-blend fabric (30% linen, 70% polyester). The curtains fully blackout with a white backing, providing complete darkness and thermal insulation. They’re designed for modern, farmhouse, and neutral decor, and come ready-made with two panels and the necessary hardware, simplifying installation for large windows or doors.

Guken Cream Linen Blackout Curtains 144 Inch


Guken blackout linen curtains image

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Guken offers 144-inch length with back tab and rod pocket options in a cream linen blackout set. The back white coating provides 100% light blocking and UV protection, helping with privacy and energy efficiency. The natural linen blend presents a textured, casual look that complements neutral and rustic decors while delivering thermal insulation and noise reduction for large rooms or entryways.

PANGSINNE 144 Inch Blackout Linen Curtains


PANGSINNE blackout linen curtains image

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PANGSINNE provides two panels with back tab and rod pocket options, measuring 50″ wide by 144″ long per panel. The 100% blackout grey coating blocks 100% of sunlight and UV rays, delivering privacy and energy-saving benefits. The linen blend adds a natural, textured aesthetic suitable for modern, farmhouse, or boho interiors while reducing outside noise and heat transfer.

Buying Guide: Key Considerations For 144-Inch Blackout Curtains

When choosing 144-inch blackout curtains, consider window width, ceiling height, and how you plan to mount the curtains. The following points cover common trade-offs and help compare options across fabrics, installation methods, and Thermal performance.

  • Light Blocking: Full blackout typically relies on a backing or multiple fabric layers. Linen blends may require thicker backing for complete darkness, while velvet tends to offer deep shading and a plush look.
  • Hanging Style: Back tab and rod pocket provide a clean, traditional look, while grommets offer easy sliding. Some sets include multiple hanging options to adapt to different rods and room aesthetics.
  • Fabric and Texture: Velvet adds luxury and better sound dampening; linen blends offer a breathable, casual appearance with natural texture; synthetic blends emphasize durability and easy care.
  • Energy Efficiency: Heavier fabrics with thermal lining help regulate room temperature and reduce drafts, contributing to potential energy savings over time.
  • Size and Fit: For 144-inch length, verify that the total panel width covers the window width when drawn. Two-panel sets are common; measure window height and ceiling height to ensure a proper fall.
  • Maintenance: Check fabric care requirements—some panels are machine washable while others require dry cleaning or spot cleaning.
  • Aesthetic Compatibility: Consider color, texture, and sheen to match existing decor—neutral beiges and creams pair well with most schemes; darker colors reduce light better but may show dust more readily.
  • Durability and Warranty: Look for double-stitched hems and reinforced grommets or rod pockets for longevity, especially in high-traffic rooms or sunlit windows.