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Some dark fabrics gleam; this one absorbs. A custom charcoal curtain in the heathered Cast weave gives a pergola the hushed, matte depth of a tailored overcoat — privacy and drama without a single hard reflection.
That softness suits the lounging side of outdoor life. Draw charcoal Sunbrella drapes around a corner sofa or hanging chair and the space turns library-quiet, with wood tones and warm bulbs glowing against the dark. It's the fabric equivalent of lowering your voice.
Each Sunbrella Cast Charcoal outdoor curtain is built to your measured bay — complete closure across the span, hem exactly at the height you chose. Dark panels magnify sloppy fit; ours don't allow it.
Heathered darkness is hard to fake and easy to ruin with surface dye. Here the tone is structural, spun through every strand and covered by the 5-year colorfast warranty against chalking pale.
The matte face swallows harsh reflections that glossy darks bounce around, while grime disappears into the heather. Splash beads off the highly water-repellent finish, and the fabric resists staining and water spots between hose-downs.
Cast Charcoal is the velvet-voiced member of the dark grays: deep enough to read almost black at dusk, but finished with the Cast line's heathering, which mutes the surface to a soft, matte, stone-like depth. Nothing about it is fragile. Pigment is sealed into each strand at the liquid-acrylic stage — the reason Sunbrella can warrant this darkness colorfast for 5 years of direct sun.
Your Sunbrella Cast Charcoal outdoor curtain is patterned from the width and drop you send, stitched twice at every seam with UV-resistant outdoor thread, and treated with a fluorocarbon finish that keeps the fabric highly water-repellent while staying breathable.
• Sewn from the width and drop you take on-site — your bays set every dimension
• Genuine Sunbrella® solution-dyed acrylic in Cast Charcoal: a deep charcoal softened by heathered texture
• 5-year colorfast manufacturer warranty — dark stays dark
• Highly water-repellent fluorocarbon finish; breathable weave that resists rot
• Grommet, tab-top, or rod-pocket header choices
• Optional weighted hems and tiebacks
• Free Shipping across the USA