blackout fabric for windows

Choosing the right blackout fabric for windows is the simplest way to turn a bright bedroom, nursery, or media room into a dark, restful space. Whether you're sewing new curtains or adding a lining to existing drapes, the right material blocks light, softens outside noise, and helps rooms feel more comfortable through the seasons.

What to Look For in Blackout Fabric

Light-Blocking Construction

Good light blocking fabric often uses a coated back or a tightly woven, multi-layer construction. Hold a sample up to a lamp: the less light that shows through, the better it will perform at the window.

Weight and Drape

Heavier blackout curtain fabric hangs in full, elegant folds on its own, while lighter blackout lining fabric is easy to sew behind a decorative face fabric you already love.

Thermal and Care Features

Some options double as thermal curtain fabric, helping insulate drafty windows. Always check the care instructions, since coated backings may need gentle washing and low heat.

Find Your Fabric Below

Browse the selection below to compare colors, weights, and finishes, and choose the room darkening fabric that fits your next window project.