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• Blackout fabrics, designed for maximum room darkening.

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• Light-filtering fabrics, which are more translucent and available in varying levels of opacity depending on the style.

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• Mesh (open-weave) fabrics, rated by how open the weave is. For example, a Basic 10% openness allows more visibility through the shade than a 1% openness fabric.

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Generally, the less open the fabric, the more heat and light it blocks.