A unit-and-mullion curtain wall system is a type of curtain wall that combines prefabricated panels with mullions to create a curtain wall that's easy to install and high quality. Unit and mullion system is similar to the stick system, mullions are the first tube to be installed in the unit and mullion system. Spandrel and glazing, however, are inserted into the stick system as a complete unit.
A unit-and-mullion system is a curtain wall system that uses prefabricated panels and mullions to simplify installation and improve quality control.
Here are some details about unit-and-mullion systems:
Components
The system consists of prefabricated panels that are secured with mullions that are applied on site.
Benefits
The system improves construction efficiency and quality control. It's often used in high-rise buildings, commercial complexes, and office towers.
Installation
The prefabricated panels can be quickly assembled on site, which is faster than installing each component individually.
Mullions
Mullions are vertical or horizontal elements that separate units of a window, door, or screen. In a curtain wall, the mullion of the primary grid defines the outer edges of the curtain wall.
A curtain wall is a non-structural exterior wall covering that's typically made of glass, metal, or stone. Other types of curtain wall systems include face-sealed, water-managed, and pressure-equalized systems
Curtain walls are lightweight exterior cladding systems that are often used in commercial buildings, office towers, and high-rise residential buildings. They are typically made of glass, metal, or stone, and provide a finished exterior and semi-finished interior.
Guangya Project Case: Hongkong International Airport
Product: Curtain Wall & Window Wall
Area: 7500㎡
Brand Name | Guangya | Surface Treatment | Anodized, Powder Fluorocarbon Coating, Electrophoresis, etc... |
Type | Unitized Curtain Wall | Color | Color Customized |
Model Number | EUT175A Series | Length | Customized |
Place of Origin | Foshan Guangdong China | Aluminium Thickness | Main profile wall thickness 2.0mm |
Material | Aluminium Alloy / Glass | Glass | 6/8/10/12MM, Single Tempered Glass / Laminated Glass / Double Glazing Tempered Glass / Low - E Glass |
Temper | T3 - T8 | Certificate | ISO9001 CQC SAIGLOBAL AS2047 |
Application | Suitable for Various Building Types | Customization | Logo / Packaging / Graphic |
Shape | As Request | Packaging Details | Pear Cotton to Interleaf Each into Small Bundles. Pack in Crystal Plastic Bag. Wood Bar to Fix into Master Bundles. Load on A Stee Track. Loading in Container by Forklift. |
Alloy or Not | Alloy | Delivery Time | 15 - 30 Days |
Processing Service | Bending, Decoiling, Welding, Punching, Cutting |
EUT175A serie unit and mullion curtain wall system uses single glass and insulated glass, and the main profile wall thickness is 2.0mm.
A unit mullion curtain wall system has several features, including:
Pre-assembled panels: The façade panels and metallic framing members are pre-assembled in a factory, then transported to the building site and attached to the building's load-bearing elements.
Multi-story vertical mullions: The system combines the pre-assembled panels of unitized systems with the multi-story vertical mullions of stick systems.
Quick and easy installation: The prefabricated panels can be quickly and easily assembled on site.
Quality control: The system ensures a high level of quality control for the curtain wall components.
Lower installation costs: The system has lower field installation costs.
Economic benefits: The economic benefits are typically realized on large projects or in areas of high field labor rates.
Variety of panels: The panels can be fully glazed, glazed with opaque panels, fully opaque in metal or stone slab, louvered panels, or other special modules.
Widely used in urban high-rise buildings, long-span buildings, special-shaped buildings, building lighting roofs, public buildings or building complexes.

EUT175A serie unit and mullion curtain wall system
Q: Are you trading company or manufacturer?
A: We are professional manufacturer specialized in aluminium curtain wall, window and wall. And we trade our products with our clients directly.
Q: Can you do OEM and ODM?
A: Yes, OEM and ODM are both acceptable. The machines can be customized as you require, the basic quantity we will advise after we discuss.
Q: Can we use our own logo?
A: Yes, we can print your private logo according to your request.
Q: When can I get the price?
A: Usually we quote within 24 hours after we get your inquiry.
Q: Can you do our own packaging?
A: Yes, you just provide the package design and we will produce what you want. We also have the professional designer can help you do the packaging design.
Q: When can I get the price?
A: Usually we quote within 24 hours after we get your inquiry.
Q: What's your after-sale service?
A: Our quality warranty period is 5 years. Any quality problem will be solved to customer satisfactions.
Q: Do you provide sample ?
A: Is it free? We will provide the sample with freight collect, and the sample is not free.
How long is your delivery time? About 15 - 30 days.
Q: What is your term of payment?
A: 30% down payment before producing and 70% balance payment before shipping. We accept any convenient and swift payment term, like T/T, Western Union, PAYPAL etc.
https://www.gywindoor.com/