Drapery Lining - Blackout Budget Drapery Lining. ROC LON Blackout room darkening drapery lining 3 Pass Premium. 100% Blackout. The must have feature for shift workers, babies, students, senior citizens, and others that require the best available light elimated room. Great for home theatre and T.V. rooms also. Drapery Lining - Blackout Drapery Lining.50% Polyester, 50% Cotton. 54" Wide. White. 1.47 R-Value. 1.12 yards to the pound, 9.52 ounces per square yard. 100% Blackout. Priced per yard. Also available wholesale. Light can not penetrate this cloth. The photo above was taken in front of a window with a metal bar in the background to demonstrate the opacity. No light is penetrating this lining and you can not see the shadow of the bar -- totally opaque! Completely dry-cleanable. Soft drape, light weight so draperies will not flare.Best in the market, our workroom loves working with it. Built in sound barrier to ward off out of room noises at the window. Great for acoustical control in schools, hospitals, and nursing homes. Also, provides a degree of insulation providing cooler rooms in the summer and warmer rooms in the winter.
