Blackout Curtains vs. Room Darkening Curtains: What’s the Real Difference
Blackout curtains block nearly all light, typically 95 to 100 percent, through a dense, layered or coated fabric built specifically to stop light from passing through. Room darkening curtains use heavier standard fabric without that dedicated lining, so they cut most light, usually somewhere around 70 to 85 percent, but let a visible glow through. Blackout curtains block 95 to…