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System in Detail
- The system comes with a 12 mm (non-thermal) or 14 mm (thermal) visible aluminium frame which provides mechanical support for added security on normal double-glazed units thus substantially reducing costs.
- Vertical and horizontal spaces of 15 mm between the units allow easy access for cleaning.
- Mullions are 55 mm and 70 mm hollow sections, providing very high resistance to wind pressure. The 70 mm mullion allows easy introduction of standard partitioning.
- Mullions are interspaced at each floor so that each floor takes only the weight of its frames, which allows for better expansion and contraction.
- Special flanges are placed on horizontal transoms to eliminate noise arising from expansion and contraction.
- Glass units are independent of the structure and are secured at the top.
- The system is engineered with the advantage of being flexible. It can move up or down, left or right, greatly reducing the impact of earthquakes. Movements from seismic loads on mullions and transoms are absorbed by the specialized support brackets of the system.
- Mullion fixing is achieved with aluminium brackets that are adjustable left or right and up or down. Brackets can be anodized or powder coated and steel brackets may also be used.
- The number of fixing points of the frame are in proportion to its height with no less than 4. The use of special, high resistance brackets with rounded surfaces at the contact points gives secure fixing, while also increasing freedom of movement of the frame.
- The system offers several auxiliary profiles for the upper and lower trim of vertical column profiles and special profile joints between floor slabs.
- The system is ventilated by the frame, mullions and transoms.
- Our technical support team offers shop drawings for large projects, detailed static, acoustic and thermal calculations, as well as installation guidelines and support to architects and specifiers.
High thermal efficiency is achieved by:
- A thermal break system of 24-32 mm wide polyamides that thermally break the profiles
- hard PVC that covers the sash and track interior
- vertical post insulation.
Technical Data MU4200 Semi Structural
Detailed specifications for accurate planning and comparison.
Mullion Width: 55 & 70 mm
Mullion Depth: From 54.5 - 150 mm
Maximum Sash Weight: 120 kg
Glass Options: Up to 33 mm
Thermal Transmittance – Uw [W/(m²K)]: ≥ 1.5
Sound Reduction: 44 dB
Air Permeability: 600 Pa
Water Tightness: 600 Pa
Resistance to Wind Load: 2400 Pa Service Load; 3600 Pa Safety Load
Over 80 finishes and colours, ready to bring your design to life.
Tell us what you’re building or upgrading, and we’ll point you to the right solution.