Rockland Industries supplies the world’s contract and residential markets with 100% blackout drapery linings, 100% blackout d ... ecorative fabrics, and a complete line of non-blackout drapery linings and interlinings. Rockland Industries invented blackout in the 1960’s and ever since, the Roc-lon® brand has been the most recognized – and most requested – drapery lining in the world. read more