cost of lined curtains
Blackout curtain liners can be attached to the window-side of existing curtains. Liners cost $20-$80 per panel. A pair of liner panels costs $50-$100. Blackout shades (blinds) come in honeycomb, cellular, roller and Roman styles and cost $30-$140 per shade. One shade covers one whole window. Standard sized blackout shades come in whole-inch widths from about 23 inches wide to 48 inches wide, and can be up to about 64 inches long.