Blackout Fabric | Fabric Guide | Nooteboom Textiles

What is Blackout Fabric?

Blackout fabric is a curtain or interior fabric developed to block a high percentage of incoming light. The blackout effect is usually created through a dense weave, multiple fabric layers or a special coating on the back of the fabric. Depending on the quality, blackout fabrics can range from dim-out fabrics that reduce light to full blackout qualities that block almost all light.

Unlike decorative curtain fabrics, blackout fabric is chosen primarily for function. It can still have an attractive appearance, but its main purpose is to darken a room, provide privacy and improve comfort. Some blackout fabrics are plain and minimal, while others are available in decorative colours, textures or printed designs.

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Specifications

Construction Dense woven fabric, often coated or multi-layered
Composition Usually 100% polyester, sometimes with acrylic coating or backing
Fabric weight Medium to heavy, commonly around 220–350 g/m² depending on quality
Stretch No stretch, woven fabric
Abbreviations PES = polyester, PAC = acrylic coating where applicable
Appearance Dense, smooth or lightly textured, often matte with functional backing

Blackout fabrics

Blackout fabric is a dense, functional fabric designed to block out light and provide extra privacy. It is commonly used for curtains, blinds and interior applications where light control, room darkening and insulation are important. The fabric often has a coated or specially woven construction that helps reduce light transmission.

One of the main advantages of blackout fabric is its practical performance. It helps create darker rooms, improves privacy and can support temperature control by reducing heat from sunlight or adding an insulating layer in front of windows. This makes blackout fabric especially suitable for bedrooms, hotels, children’s rooms, offices and spaces where comfort and light management are essential.

Applications

Blackout curtains
Bedroom curtains
Children’s room curtains
Hotel curtains
Blinds and window coverings
Office and meeting room interiors
Theatre, studio or presentation spaces

Care Instructions

Care depends on the coating and finish. Many blackout fabrics should be cleaned carefully at low temperature or professionally cleaned. Do not bleach. Avoid high-temperature tumble drying, as heat can damage coatings or backing layers. Iron only on the front side at low temperature if allowed by the care label, and never iron directly on a coated backing.

Certifications

OEKO-TEX Standard 100 may be available depending on the specific article. For hotel, public building or contract interior use, also check whether flame-retardant certification or other technical standards are required.

Practical Tip

When choosing blackout fabric, check whether the fabric is full blackout or dim-out. Full blackout is best for bedrooms, hotels and spaces that need strong light control, while dim-out fabrics are suitable when you want privacy and reduced light without complete darkness.

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posted on
03/06/2026