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Measuring for Curtains

For curtains outside the recess, the track or pole needs to be wider than the window frame (10 cms -20 cms) to allow for stacking the opened curtains.  If space allows it should be fixed about (10 cms) above the top of the window frame.

AB fab-787
Measuring Curtain Width - Outside the Window Recess:
  • Measure the width of the track or pole (F) adding any extra for centre overlapping, normally about 15 cms.
  • Multiply the track width by 1.5, 2 or 2.5 depending on the heading to be used.
  • Divide that by the width of the fabric, normally 140 cms, and round up to the next whole number to give the number of widths required. If an odd number results then one width can be cut in half and added to the outside edge of each curtain.
 
Measuring Curtain Width - Inside the Window Recess:
  • Measure the width of the window recess (E) and multiply by 1.5, 2 or 2.5 depending on thehe heading to be used.
  • Divide that by the width of the fabric, normally 140 cms, and round up to the new whole number to give the number of widths required. If an odd number results then one width can be cut in half and added to the outside edge of each curtain.
 
Measuring Curtain Length - Outside the Window Recess:
  • For a pole, measure from the bottom of the ring to wherever you wish the curtains to fall (A, B or D).
  • For a track, measure from the top of the track to wherever you wish the curtain to fall (A, B or D).
  • For tab top curtains, measure from the top of the pole to the required finished length
  • (A, B or Deduct the length of the tabs approx. 7.5 cms as the top of the curtain must
  • come above the top of window frame. (This may mean moving the pole.)
  • To this measurement add 20 cms to the finished length 5 cms for the top seam allowance and 15 cms for the bottom hem for lined and unlined curtains with attached heading tape or tab tops.
  • For lined and unlined curtains with cased headings add 25 cms to the finished length 10 cms for the top seam allowance and 15 cms for the bottom hem.
  • Short curtains should finish 12 mm above the sill or radiator and full length curtains should fall within 2.5 cms of the floor.
  • If patterned material is to be used then each length has to be a full pattern repeat, for example:- With a pattern repeat of 63cm and a curtain finished length of 2.3m. you will need 2.52m for each drop. Multiply this amount by the number of widths required and you have the length of fabric required.
  • To calculate the amount of lining required (if used) multiply (the finished length plus hem allowance) by the number of widths required. Hem allowance is usually 15 cms, 5 cms for the top seam and 15 cms for the bottom hem. No addition for pattern matching.
 
Measuring Curtain Length - Inside the Window Recess:
  • Measure the length of the window recess. Curtains should finish 12 mm above the window sill so they fall correctly.
  • To this measurement add 20 cms to the finished length 5 cms for the top seam allowance and 15 cms for the bottom hem for lined and unlined curtains with attached heading tape or tab tops.
  • For lined and unlined curtains with cased headings, add 25 cms to the finished length 10 cms for the top seam allowance and 15 cms for the bottom hem].
  • If patterned material is to be used then each length has to be a full pattern repeat for example:- With a pattern repeat of 63cm and a curtain finished length of  1.5m you will need 1.89m for each drop.). Multiply this amount by the number of widths required and you have the length of fabric required.
  • For curtains with heading tape or tab tops, calculate the amount of lining required (if used) by multiplying (finished length + hem allowance) by the number of widths required. Hem allowance is usually 15 cms, 5 cms for the top seam allowance and 10 cms for the bottom hem. No addition for pattern matching.
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2/4 Eden Street
Newmarket 1023
Auckland

Phone: 09 522 4161
OPENING HOURS Monday - Friday: 10am - 5pm
Saturday : 10am - 4pm
Sunday: Closed
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