Unit of Measurement
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A. Width (?)
The opening width to be covered. Include molding if external mounting. 5-inch (127
mm) is automatically added for edge finishing. And 1/2-inch (12.7 mm) is subtracted
from overall width to provide for mechanism clearance.
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inches
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B. Height (?)
The finished shade height. Roller Clutch systems are appropriate for shades with a height of 35 inches (889 mm) or more. Shorter shades can result in very few deep segments that do not look good and may be dangerous to small children. In any case, short shades do not benefit from the roller clutch hardware system. For short shades use the fabric calculator app "Flat Roman Shades".
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inches
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Decorative Fabric Width (?)
Actual width of fabric (often 46, 54, or 60 inches -- 1168, 1372, and 1524 mm)
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inches
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Lining Fabric Width (required) (?)
A Lining is required here. Enter the actual width of fabric (often 46, 54, or 60 inches -- 1168, 1372, and 1524 mm)
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inches
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Decorative Fabric Vertical Repeat (?)
The vertical repeat of a patterned fabric. This measurement is needed to properly
align the pattern if multiple curtain panels are required. If the shade does not
require more than a single panel width, it is not needed.
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inches
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