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What is 2+3?

Window Measuring Guide

Enter overall frame sizes including any add-ons or sills, allowing a 10mm deduction for clearance. Measure the height in three places and the width in three places, then deduct 10mm from the smallest measurement.

  • (W) Enter overall width
  • (H) Enter overall height
  • (T) If a transom is present, enter the drop

IMPORTANT: We will manufacture according to the sizes provided, so make any necessary deductions yourself.

TIP’s: Check for information on sills and add-ons if needed.
If unsure, please get in touch with our helpful team for advice.