The sizes entered here are overall frame sizes. We recommend deducting 10mm for clearance
A - Door widthEnter door width including frame
B - Door heightEnter door height including existing sill unless it is NOT going to be replaced, I.E. A concrete sill is present
C - 2x flag widthEnter the width of one flag window; they will both be supplied at the same size
D - 2x flag heightEnter the height of a flag window; they will both be supplied at the same size
Tip Check information available for sills, add-ons and thresholds to assist you further.
N.B. Flag windows come as separate frames and include joining couplers as standard