Fabric
Calculator
by Sailrite
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Folded Over Foam
(fastened to a back board)
Note
: Estimate adds 4 inches (102mm) to thickness to allow for folding over back board.
Unit of Measurement
Inches
mm
A.
Foam Width
(?)
Width of cushion foam (fabric stripes and patterns run this direction). Foam should be 1/2 inch (13 mm) larger than the back board on all sides.
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inches
B.
Foam Length
(?)
Length of the cushion foam. Foam should be 1/2 inch (13 mm) larger than the back board on all sides.
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inches
C.
Thickness
(?)
Thickness of cushion foam. Estimate adds 1 inch (25 mm) to boxing/plaque to allow for sewing the zipper. The extra inch should be cut down or modified during construction so the finished boxing and zipper plaque equals the thickness of the foam.
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inches
Quantity
(?)
Total number of cushions needed with these dimensions.
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Fabric Width
(?)
Actual width of fabric (often 46, 54, or 60 inches -- 1168, 1372, and 1524 mm)
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inches
Solid
(?)
No fabric pattern
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Striped
(?)
Pattern runs along fabric length.
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Railroaded
(?)
Pattern runs along fabric width.
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