The critical design element in Series 424 is the ability to fit the glass with 12mm bite and enough clearance to cover installation and manufacturing tolerance.
You don’t want to force this expensive piece of glass into the opening.
•
Mullions: For long runs of framing (over 6m) we recommend expansion mullions as shown top right.
•
Captive Seals: All AWS frames can be fitted with captive wedges to simplify glazing and reduce the chance vandalism.
