What are the different types of unitized curtain wall systems?
May 15, 2025
Leave a message
Hey there! As a unitized curtain wall supplier, I've seen firsthand the incredible variety of unitized curtain wall systems out there. In this blog, I'm gonna break down the different types, so you can get a better understanding of which one might be the best fit for your project.
1. Stick - Built Unitized Curtain Wall System
Let's start with the stick - built unitized curtain wall system. This type is kind of like building with Lego bricks. You assemble the curtain wall components piece by piece on - site. The mullions (the vertical framing members) and transoms (the horizontal framing members) are installed first, and then the glass or other infill panels are put in place.
One of the big advantages of the stick - built system is its flexibility. It can be easily adapted to different building shapes and sizes. If your building has a unique design with lots of curves or irregular angles, the stick - built system can usually handle it. Plus, since the assembly happens on - site, you can make adjustments as you go along.
However, it also has some drawbacks. The on - site assembly takes a lot of time and labor. Weather conditions can also affect the installation process. Rain or high winds can slow things down or even cause delays. And because the work is done on - site, there's a higher risk of errors compared to pre - fabricated systems.
2. Unit and Mullion Curtain Wall System
Now, let's talk about the Unit and Mullion Curtain Wall System. This is a hybrid system that combines the best of both worlds. The curtain wall is pre - fabricated into units in the factory, which are then transported to the site and installed. The mullions are also pre - assembled and integrated into the units.
The pre - fabrication aspect is a huge plus. Since the units are made in a controlled factory environment, the quality is more consistent. You don't have to worry about the weather affecting the manufacturing process, and the precision is much higher. Installation on - site is also much faster because you're basically just putting the pre - made units in place.
Another advantage is that it's more cost - effective in the long run. The reduced on - site labor and shorter installation time mean lower overall costs. And because the units are pre - tested in the factory, there are fewer issues during installation, which can save you a lot of money on rework.
3. Full - Unitized Curtain Wall System
The full - unitized curtain wall system is the most advanced type. In this system, the entire curtain wall unit, including the frame, glass, and all the other components, is pre - fabricated in the factory. It's like a ready - to - install building block.
One of the biggest benefits of the full - unitized system is its speed of installation. You can have large sections of the curtain wall installed in a short amount of time. This is great for projects with tight deadlines. The factory - made units also offer excellent quality control. The manufacturing process is highly automated, which means that each unit is identical and meets strict quality standards.
But there are some challenges too. The initial cost of the full - unitized system can be higher compared to other types. You need to invest in the design and tooling for the pre - fabricated units. And transportation can be a bit tricky because the units are large and heavy. You need to make sure they're properly secured during transit to avoid damage.
4. Point - Supported Unitized Curtain Wall System
The point - supported unitized curtain wall system is a bit different from the others. Instead of a traditional frame, the glass panels are supported at specific points using brackets or other connectors. This creates a very modern and minimalist look.
The point - supported system offers a lot of transparency. Since there's less framing, the view through the curtain wall is almost unobstructed. It's great for buildings where you want to showcase the exterior or interior views, like museums or high - end offices.
However, it requires a high level of engineering and design. The support points need to be carefully calculated to ensure the stability of the glass panels. And because the glass is more exposed, it needs to be of high quality to withstand wind and other environmental forces.
5. Double - Skin Unitized Curtain Wall System
Last but not least, the double - skin unitized curtain wall system. This system consists of two layers of glass or other cladding materials with an air gap in between. The double - skin design provides excellent insulation and energy efficiency.
The air gap acts as a buffer, reducing heat transfer between the interior and exterior of the building. This can lead to significant energy savings on heating and cooling. The double - skin system also helps to reduce noise pollution from the outside.
But it's a more complex system to install and maintain. The air gap needs to be properly ventilated to prevent condensation. And the two layers of cladding need to be carefully coordinated to ensure a proper fit.
Choosing the Right System
So, how do you choose the right unitized curtain wall system for your project? Well, it depends on several factors. First, consider the design of your building. If it has a simple, rectangular shape, a full - unitized or unit and mullion system might be a good choice. But if it has a complex design with lots of curves, the stick - built system could be more suitable.
Budget is also an important factor. The full - unitized system may have a higher upfront cost, but it can save you money in the long run due to faster installation and lower maintenance. The stick - built system is usually more budget - friendly for smaller projects.
Energy efficiency is another consideration. If you're building a green building or want to reduce energy costs, the double - skin unitized curtain wall system is a great option. And if you're looking for a modern, minimalist look, the point - supported system might be the way to go.
Why Choose Us?
As a unitized curtain wall supplier, we've got the expertise and experience to help you choose the right system for your project. We've worked on a wide range of projects, from small commercial buildings to large skyscrapers. Our team of engineers and designers will work closely with you to understand your needs and come up with the best solution.
We offer high - quality products that are made to last. Our pre - fabricated units are manufactured in a state - of - the - art factory using the latest technology and materials. And we provide excellent customer service from start to finish. Whether you need help with installation or maintenance, we're here for you.
If you're interested in learning more about our unitized curtain wall systems or want to discuss your project, don't hesitate to get in touch. We're always happy to have a chat and see how we can help you create the perfect curtain wall for your building.
References
- "Curtain Wall Design Guide" by the Aluminum Association
- "Unitized Curtain Wall Systems: Technology and Application" by various industry experts
So, there you have it! A breakdown of the different types of unitized curtain wall systems. I hope this blog has been helpful to you. If you have any questions or need more information, feel free to reach out. Looking forward to working with you on your next project!
