This tutorial is based on using one width of fabric to make a blind. Fabric is usually approx 137cm wide, so most blinds less than 127cm wide will only need one width of fabric (check your fabric width).
The fabric panel is cut to the following size to make the blind:
FABRIC QUANTITY REQUIRED (Plain Fabric)
The PLAIN FABRIC required to make a single width roman blind is FABRIC CUT DROP + TRIMMING ALLOWANCE
PRO TIP: Add at least an extra 6cm trimming allowance to the cut drop to ensure that the fabric can be cut square during the making process.
Making a blind in PATTERNED FABRIC with NO JOINED WIDTHS will require the FABRIC CUT DROP plus ONE PATTERN REPEAT to place the pattern on the blind.
To help check your results and make the process easier or if you don't like maths we've made this calculator for calculating Roman blind fabric and lining quanities.
EXTRA INSTRUCTIONS
Extract from our WOODEN BATTEN EXTRA Tutorial
Battens for blinds outside the recess are generally covered in fabric (as they can be seen), battens for blinds inside the recess are hidden so are usually covered in lining.
If you are covering a batten in fabric there may be enough excess fabric from offcuts if the blind is narrow. Otherwise you will need 30cm of fabric per width used for each batten.
There are 2 types of pattern repeat on a patterned fabric, Horizontal and Vertical. We are generally more interested in the vertical pattern repeat when making blinds and if only one pattern repeat is given by a manufacturer we would expect it to be the vertical one.
VERTICAL PATTERN REPEAT
The distance up or down the fabric, the pattern repeats itself.
HORIZONTAL PATTERN REPEAT
The distance across the fabric, the pattern repeats itself.
This content is only available to view if you subscribe to a ROMAN BLIND COURSE
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xxxxx xxxx x xx xxxxx xxxx xxx x xxxx xx xxxxxx xxxxx xxxxxx xxx xxx xxxxxxxx xxxxxx xxx xxxxxx x xxxx xxxxx - xxx xxx xxxxxxx x x xx xxx xxxxxxxxxxx
This content is only available to view if you subscribe to a ROMAN BLIND COURSE
xxxxx xxxx x xx xxxxx xxxx xxx x xxxx xx xxxxxx xxxxx xxxxxx xxx xxx xxxxxxxx xxxxxx xxx xxxxxx x xxxx xxxxx - xxx xxx xxxxxxx x x xx xxx xxxxxxxxxxx xxxxxx xxx xxx xxxxxxxx xxxxxx xxx xxxxxx x xxxx xxxxx - xxx xxx xxxxxxx x x xx xxx xxxxxxxxxxx