Product Catalog: Knoll: Knoll Textiles: Drapery Categories Additional Options For an even wider selection of drapery options, many KnollTextiles panel and upholstery patterns can be FR treated for contract drapery application. Please contact your local representative for minimums, lead times, and possible upcharges. All Drapery From lustrous sheers to blackouts, KnollTextiles drapery defines space and complements architecture. Environmental Drapery Fabrics Our environmental fabrics contain 49%+ recycled content or 75%+ natural fiber and may contribute to LEED certification. Additional drapery fabrics not shown here have some recycled content or natural fiber. All KnollTextiles drapery fabrics are Greenguard certified for low chemical emissions. Room Darkening Drapery KnollTextiles room darkening drapery is designed for practicality and visual impact. Sheers Lustrous sheers in luminous patterns enliven any window.