Joybuy Insights

Buying Blackout Curtains: A Guide to Avoiding a Bad Purchase

A dark, quiet bedroom isn't a luxury; it's essential for a good night's sleep. Yet, the search for the right blackout curtains is often frustrating. Many products overpromise and underdeliver, leaving you with a bright room and a sense of disappointment. Before you invest in new window treatments, it's wise to understand the most common pitfalls.

Many buyers fall into these three traps:

  1. The vague "blackout" claim: The term "blackout" is not regulated. A curtain that blocks 60% of light can be sold under this name, but that's often not enough for a bedroom. You end up with a dimly lit room instead of the complete darkness you need.
  2. The wrong mounting system: You find the perfect colour and fabric, but when you get home, you discover the eyelet curtains don't fit your existing track. Or you buy pencil pleat curtains without having the right hooks. The result is extra cost, hassle, and delays.
  3. Incorrect dimensions:Ready-made curtains that are too narrow or too short are a classic mistake. Light bleeds in around the sides, top, and bottom, completely negating the blackout effect.

By paying attention to a few key specifications, you can easily avoid these problems and make a choice you'll be happy with for years to come.

What to Look For: The Key Specifications

Focus on verifiable facts, not marketing jargon. These three specifications determine whether a blackout curtain is right for your situation.

1. The Blackout Level: How Dark is Dark?

The most important factor is the percentage of light the fabric actually blocks. Manufacturers often provide this information.

  • 60-75% Light-Blocking (Dim-out): Suitable for living rooms or spaces where you want to dim the light but don't need complete darkness.
  • 85-95% Light-Blocking (Blackout): This is the standard for blackout curtains for the bedroom. Ideal for light sleepers, families with young children, and shift workers.

This high degree of light-blocking is often achieved with triple-weave technology, a technique where a black, light-blocking thread is woven into the middle of the fabric. This allows even lighter-coloured curtains to be effective at blocking light. As a general rule, however, the darker the colour, as with black blackout curtains, the higher the light absorption.

2. The Mounting System: Eyelets or Pencil Pleat?

Before you buy ready-made curtains, check what system you have at home: a rod or a track.

  • Eyelet Curtains (Grommet): These have large metal rings at the top. You slide them directly onto a curtain rod. This is a quick and modern way to hang curtains.
  • Pencil Pleat Curtains: These have a sewn-in tape (pleating tape) on the back. You use special hooks to hang them from the runners on a curtain track. This system provides a classic, uniform drape.

The choice is purely practical: it must fit what you already have or plan to install.

3. Material and Extra Features: Insulation and Sound

Most blackout curtains are made of 100% polyester. This material is durable, colourfast, and easy to wash. The dense weave required for blocking light brings additional benefits:

  • Insulating / Thermal Curtains: The thick fabric acts as a barrier. In winter, it helps keep the heat in, and in summer, it keeps the sun's heat out. This can contribute to a lower energy bill.
  • Noise-Reducing Curtains: While they don't completely block sound, the heavy fabrics do dampen ambient noise from outside, such as traffic. This contributes to a quieter atmosphere in your home.

Our Recommended Product Picks

Based on these criteria, we have selected a number of products that suit different needs and situations.

MATCH FOR: THE NIGHT SHIFT WORKER OR LIGHT SLEEPER
PONY DANCE Blackout Curtains with Eyelet, 2 Panels W140 x L145 cm, Black

PONY DANCE Blackout Curtains with Eyelet, Black

Why This Fits Their Persona: For those who need to sleep during the day or are woken by the slightest sliver of light, maximum darkness is essential. These curtains are designed for a high level of light-blocking, promoting rest and better sleep quality.

How It Avoids the Trap

The product specifies an 85-95% light-blocking capability. This is a concrete specification that avoids the vague "blackout" claim and provides assurance of a truly dark room.

Key Advantage & Pros

High blackout level and thermal properties. According to the manufacturer, made with at least 50% recycled material and OEKO-TEX certified.

MATCH FOR: THE INTERIOR DESIGN ENTHUSIAST
PONY DANCE Foil Printed Blackout Curtains Eyelet, Greyish White

PONY DANCE Foil Printed Blackout Curtains, Greyish White

Why This Fits Their Persona: For those who want to combine functionality with style. This curtain is not only effective but also adds a modern and elegant design element to the living room or bedroom.

How It Avoids the Trap

Despite its light colour, it offers a high blackout level (85-95%), according to the manufacturer, thanks to the triple-weave fabric. This proves you don't have to choose a dark colour to get great results.

Key Advantage & Pros

Stylish geometric pattern with silver foil. Simple installation with built-in eyelets, suitable for most curtain rods.

MATCH FOR: THE RENTER WITH A WIDE TRACK
PONY DANCE Blackout Curtain with Pencil Pleat, 1 Panel W300 x L245 cm, Light Beige

PONY DANCE Blackout Curtain with Pencil Pleat, Extra Wide

Why This Fits Their Persona: Ideal for those with a standard track system who want to cover a large window without buying multiple panels. This extra-wide curtain offers a seamless solution.

How It Avoids the Trap

This is clearly a pencil pleat curtain, which prevents the mistake of buying eyelet curtains for a track. The extra-wide 300 cm size prevents light leaks on large windows, a common problem with standard sizes.

Key Advantage & Pros

A single 300 cm wide panel for a clean look. Suitable for various track systems and, according to the manufacturer, offers both thermal and noise-reducing properties.

Looking for more options?

We have compiled a complete, up-to-date list of products that fully meet these strict selection criteria.

Frequently Asked Questions

How do I choose the right size for my ready-made blackout curtains?

Measure the width of your curtain rod or track. Multiply this measurement by 1.5 to 2.5, depending on how full you want the pleats to be. For the length, measure from the top of the rod (or the bottom of the track runners) to your desired end point, such as the windowsill or the floor. Choose the ready-made size that is closest to these measurements.

Do thermal curtains really help with the energy bill?

Yes, the dense, heavy fabric of thermal curtains acts as an extra layer of insulation for your windows. In the winter, it helps keep heat in, and in the summer, it reflects sunlight to keep the room cooler. This can lead to a noticeable saving on heating and cooling costs.

What is the difference between blackout and dim-out?

"Blackout" is designed to block 85% to nearly 100% of light, making it ideal for blackout curtains for the bedroom. "Dim-out" is less extreme and typically blocks 60-80% of light. This is often sufficient for a living room or office, where you want to reduce light but don't need complete darkness. Always check the percentage specified by the manufacturer to avoid disappointment.