How Does Blackout Fabric Block Light?
Blackout performance depends mainly on the fabric structure.
High-density woven blackout fabric uses tightly constructed yarn layers to reduce light transmission without relying heavily on surface coatings.
Coated or multilayer blackout fabric adds a light-blocking layer to achieve stronger darkness and privacy.
The final blackout level can also be affected by fabric color, weight, density, and installation conditions.
Blackout Fabric vs. Dimout Fabric
The main difference is the amount of light blocked.
Blackout Fabric is designed to provide ≥99.9% light blocking, making it suitable for spaces where near-total darkness and maximum privacy are required.
Dimout Fabric generally blocks around 85–98% of light, reducing glare while still allowing a small amount of soft ambient light into the room.
Choose blackout when darkness is the priority; choose dimout when a softer balance between daylight and privacy is preferred.
Where Is Flame Retardant Blackout Fabric Used?
Flame retardant blackout fabric is commonly used for hotel guestroom curtains, bedrooms, theaters, cinemas, meeting rooms, healthcare interiors, dormitories, projection rooms, and other contract curtain projects.
It is especially suitable for environments requiring strong light control, privacy, comfortable indoor lighting, and flame retardant performance.
What Flame Retardant Standards Can Blackout Fabric Meet?
Depending on the selected fabric construction and end use, BEGOODTEX flame retardant blackout fabrics can support testing to standards such as NFPA 701, CA Title 19, CAN/ULC-S109, BS 5867, DIN 4102-B1, EN 13773, NF P92-503 M1, JIS L 1091, and other project-specific flame retardant requirements.
The applicable standard and corresponding test report should be confirmed for the specific fabric before ordering.
