![]() Absorb more solar radiation, which can increase cooling load. ![]() Dual roller shades or "sun up / sun down" cellular shades offer this benefit, as does the traditional solution of sheer plus darkening draperies.įor optimal light control with roller shades, fabric color also is an important consideration. “solar shade”) fabrics, but the terminology applies in general to cellular shades, drapery, and other verticals as well.įor maximum flexibility, consider using two treatments – a sheer or light filtering layer for mitigating light transmission while allowing views, plus a separate room-darkening or blackout layer for privacy or audio-visual presentations when needed. The percentage openness factors above apply specifically to roller shade (a.k.a.To avoid visibility or light leak around the edges, an outside mount with overlap is recommended, or add a secondary treatment to cover the gap. Opaque fabric blocks all outside light for total privacy prevents shadows and silhouettes. Greater room darkening is achieved with darker colors. Light is substantially blocked offers significant privacy, though vague shadows of objects or people may be visible. Provides moderate light control and privacy. Light is filtered to varying degrees depending on fabric style and color silhouettes of objects and people are visible. The lower the percentage, the tighter is the weave structure – resulting in greater shading, cooling, and privacy.įabric transmits a significant amount of light, allowing a clear view of what lies beyond people and objects are visible from inside and outside. The degree of light transmission and visibility is indicated by the percentage of openness in the fabric weave – the higher the percentage of openness, the more light and heat gets in, and the more visibility is possible through the fabric. The two main factors to consider are the openness of the weave and the color of the fabric. You can select the fabric for your window treatments to control the amount of light transmission and visibility both in and out, balanced with the required level of privacy.
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