| Casements |
| Outerframes |
Heads over 1250mm
Bays Jambs Always & head over 1250mm
Cons Fully Reinforced All Bars |
| Transom/Mullions |
Over 800mm
Dummy Transoms/Mullions Not Required |
| Sashes |
Over 800mm |
| Foiled Products |
Fully Reinforced All Bars |
| Tilt & Turns |
| Outerframes |
Jambs Always
Head over 1000mm |
| Transom / Mullions |
Over 800mm
Dummy Transom / Mullions Not Required |
| Sashes |
Over 1000mm |
| Foiled Products |
Fully Reinforced all bars |
