Room Darkening
Our Room Darkening range includes multiple openness options—from 0% opacity for full blackout to less than 1% and 1% openness for near blackout solutions. Fabrics are crafted from durable PVC/Polyester blends or a PVC/Fibreglass composite, ensuring long-lasting performance and stability. The Fibreglass option also features fire retardant (NFPA 701) and anti-mildew (ASTM G21) properties, meeting strict safety and hygiene requirements.
Available in widths up to 300cm for PVC/Polyester and up to 297cm for PVC/Fibreglass, with a standard 30m roll length, COTTAI’s Room Darkening fabrics provide excellent flexibility for a variety of projects and installations.
．COTTAI offers Room Darkening fabrics with multiple openness levels and material options, combining safety, privacy, and durability for modern window treatments.
Suitable for residential, commercial, and healthcare use
Content : 100% Polyester
Roll Length : 30m
Roll Width : 250cm, 300cm
Notes : Available for vertical blinds 89mm & 127mm, roll length 100m.
Room Darkening Fabric | Superior Light Control & Privacy | COTTAI LTD
At COTTAI LTD, we provide premium Room Darkening fabrics designed to deliver exceptional light blocking, privacy, and durability. Engineered for roller blinds, these fabrics are ideal for bedrooms, meeting rooms, hotels, hospitals, and other spaces requiring effective light management and enhanced comfort.
Our Room Darkening collection is available in a wide range of openness factors, material compositions, and widths, giving designers and project managers maximum flexibility. With fire-retardant and anti-mildew options available, these fabrics meet the stringent demands of modern interior environments.
Technical Information
Openness Options
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0% Openness: Nearly opaque for complete light blocking.
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<1% Openness: Minimal light penetration for near blackout.
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1% Openness: Allows slight visibility while ensuring high privacy.
Material Content
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0% Openness: 78% PVC + 22% Polyester
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<1% Openness: 85% PVC + 15% Polyester
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1% Openness: 75% PVC + 25% Polyester
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Special Option: PVC (3 outer plies) + Fibreglass (1 inner ply)
Roll Dimensions
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PVC/Polyester Fabrics (0%, <1%, 1% openness):
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Widths: 180cm, 250cm, 300cm
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Length: 30m
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PVC/Fibreglass Fabrics:
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Widths: 183cm, 200cm, 254cm, 297cm (some available in 183cm, 200cm)
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Length: 30m
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Weight
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PVC/Fibreglass fabric: Approx. 430g/m²
Special Specifications
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Fire Retardant (NFPA 701)
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Anti-Mildew (ASTM G21)
Key Features of COTTAI’s Room Darkening Fabric
| Feature | Description |
|---|---|
| Superior Light Blocking | Designed with 0% and <1% openness options for maximum privacy |
| Multiple Material Options | PVC/Polyester blends or PVC/Fibreglass for advanced durability |
| Flexible Sizes | Available in widths up to 300cm, standard 30m rolls |
| Safety & Hygiene | Fire retardant and anti-mildew certified for healthcare and commercial use |
| High Performance | Provides excellent privacy, UV protection, and easy maintenance |