Classification by Installation Method
When it comes to curtain walls, how they’re installed makes a big difference. Some systems are built on-site piece by piece, while others arrive at the job ready to go. Each method has its own pros and cons, depending on your project needs.
#1 Stick-Built Curtain Wall Systems
Stick-built systems are like building with LEGO bricks—one piece at a time. All the framing parts, like mullions and glass panels, are brought to the construction site separately and assembled right there.
This method works well for low-rise buildings or designs with unusual shapes. It also gives installers room to make adjustments on-site, which adds flexibility.
Pros:
Great for custom or complex facades
Lower shipping costs
Easy to make changes during construction
Cons:
Slower to install
More labor and equipment needed on-site
#2 Unitized Curtain Wall Systems
Unitized systems are the opposite—they’re built off-site in a factory. Each “unit” includes the frame and glass and is shipped fully assembled. Once they arrive, the units are lifted into place and locked together.
These systems are popular in high-rise buildings, where speed and quality are a priority.
Pros:
Faster installation
Higher quality control (factory-made)
Less work on-site
Cons:
Higher shipping and handling costs
Need for cranes or lifts to install large panels
#3 Semi-Unitized Curtain Wall Systems
As the name suggests, this system is a mix of both. Some parts are pre-assembled in the factory, while others are finished on-site. It gives you a middle ground between flexibility and efficiency.
It’s a smart option if you want quicker installation than stick-built, but still need some on-site customization.
Pros:
Speeds up installation
Keeps design flexibility
Reduces labor needs
Cons:
Not as fast as fully unitized
Still requires some work on-site
Quick Comparison: Stick-Built vs Unitized vs Semi-Unitized
| System Type | Installation Site | Best For | Pros | Cons |
|---|---|---|---|---|
| Stick-Built | Assembled fully on-site | Low-rise, complex shapes | Flexible design, low shipping cost | Labor-heavy, slower to install |
| Unitized | Pre-assembled in factory | High-rise buildings | Fast install, factory quality | Higher shipping cost, needs cranes |
| Semi-Unitized | Partly pre-assembled | Mid-rise, hybrid needs | Balanced speed and flexibility | Still needs on-site work |
Classification by Structural Support & Aesthetic Design
Not all curtain walls look or work the same. Some systems are designed to be as minimal as possible, showing off the glass and hiding the frame. Others aim to make a bold design statement using cables, fins, or even spider-like connectors.
#1 Structural Glazing Curtain Wall Systems
If you’re going for a clean and modern look, structural glazing is a top choice. This system uses strong silicone sealants to attach the glass to the frame, so you don’t see any bulky metal mullions on the outside.
What makes it great?
Smooth, all-glass appearance
Ideal for luxury offices and sleek building designs
Helps boost energy efficiency by sealing out air and water
Best for: High-end commercial buildings, minimalist architecture
#2 Point-Supported Glass Systems
In this system, large glass panels are held in place with spider fittings or steel brackets, which makes the glass look like it’s floating.
Why people love it:
Offers wide, open views with minimal obstruction
Adds a futuristic, high-end feel to a space
Strong enough for large lobbies and glass walls
Best for: Atriums, hotel entrances, upscale retail buildings
#3 Cable Net Curtain Wall Systems
Think of this one as a curtain wall meets art installation. The glass panels are supported by a web of tensioned steel cables, creating a striking visual effect.
Why it stands out:
Dramatic and eye-catching design
Handles wind and structural movement well
Often found in buildings that want to make a statement
Best for: Museums, airport terminals, exhibition centers
#4 Glass Fin Curtain Wall Systems
Glass fin systems use vertical glass panels (called fins) to support the main glass walls. This removes the need for thick metal frames, giving you a nearly invisible structure.
Key benefits:
Pure transparency and open views
Strong structural performance with minimal bulk
Ideal for buildings that need wide spans without metal support
Best for: Corporate HQs, art galleries, tech campuses
Bottom Line
Choose glass for clarity and permanence
Choose polycarbonate for performance, durability, and energy efficiency
Choose polyethylene film for low cost and flexibility
| System Type | Support Method | Visual Style | Best For | Key Advantage |
|---|---|---|---|---|
| Structural Glazing | Silicone seal (no mullions) | Clean, all-glass façade | High-end, minimalist buildings | Sleek design + good sealing performance |
| Point-Supported Glass | Spider fittings or brackets | Floating glass with open views | Atriums, luxury lobbies | Minimal obstruction, premium look |
| Cable Net | Tensioned steel cables | Web-like, dramatic structure | Airports, museums, iconic façades | Striking visuals + great span capability |
| Glass Fin | Vertical glass mullions | Ultra-transparent, frameless look | Tech buildings, galleries | Wide glass spans without heavy metal frames |
Classification by Material Type
Curtain walls don’t just differ by how they’re installed or supported—they can also be made from different materials. Each material offers its own mix of strength, style, and performance.
#1 Aluminum Curtain Wall Systems
Aluminum is the most commonly used material in curtain wall systems—and for good reason. It’s lightweight, resistant to rust, and easy to shape into different styles and finishes.
Why it’s popular:
Easy to work with and install
Offers a wide range of finishes (anodized, painted, etc.)
Great for both modern and traditional designs
Best for: Most commercial projects, including offices and hotels
#2 Steel Curtain Wall Systems
Steel curtain walls are stronger and can handle larger spans than aluminum. That makes them perfect for bold, wide-open designs or buildings that need extra durability.
What makes it special:
Superior strength and load-bearing capability
Naturally fire-resistant
Often used for complex, large-scale facades
Best for: High-rise buildings, airports, or anywhere structural strength matters
#3 Timber Curtain Wall Systems
Looking for something warm and eco-friendly? Timber curtain walls use engineered wood mullions, often paired with large glass panels, to bring a natural touch to modern architecture.
Why people love it:
Sustainable and renewable material
Brings a cozy, welcoming aesthetic
Great insulation performance
Best for: Eco-conscious designs, boutique hotels, or residential buildings
#4 Terracotta Curtain Wall Systems
Terracotta panels offer a textured, earthy look that stands out from the typical glass-and-metal finishes. Plus, they’re naturally insulating and long-lasting.
Why it works well:
Resists fading, fire, and weather
Helps regulate temperature
Adds visual warmth and depth to the building
Best for: Schools, cultural centers, and energy-efficient commercial buildings
#5 Stone Veneer Curtain Wall Systems
Stone veneer systems give the feel of solid stone construction, but without the weight. Natural stone is applied to the curtain wall frame, offering a high-end look.
Key benefits:
Premium, timeless appearance
High durability and weather resistance
Low maintenance over time
Best for: Museums, luxury buildings, high-end retail
#6 Brick Curtain Wall Systems
Want something that feels more traditional? Brick curtain wall systems use real brick veneer as the outer layer of the system. It looks classic but works like modern cladding.
What makes it unique:
Familiar, timeless visual appeal
Strong against rain, wind, and impact
Adds character and texture to facades
Best for: Universities, civic buildings, heritage-inspired architecture
Functional Curtain Wall Systems
Not all curtain walls are just about looks—some are designed with special performance features in mind. From saving energy to meeting strict fire codes, these advanced systems serve more than one purpose.
#1 Double Skin Curtain Wall Systems
Double skin systems use two layers of glass—one inside and one outside—with an air cavity between them. This design creates a buffer that helps control temperature, reduce noise, and even support natural ventilation.
Why it’s a smart choice:
Great for thermal insulation and soundproofing
The cavity can hold shading devices or ventilation systems
Helps lower heating and cooling costs
Best for: Office towers, sustainable buildings, noisy urban locations
#2 Photovoltaic (PV) Curtain Wall Systems
PV curtain walls combine modern glazing with solar panels, letting your building generate electricity while still looking sleek and modern.
What makes it stand out:
Reduces reliance on external power sources
Supports green building certifications (like LEED)
Cuts down long-term energy bills
Best for: Green-certified buildings, eco-conscious developments, tech campuses
#3 Fire-Rated Curtain Wall Systems
These fire-rated curtain wall Systems are built to withstand flames, smoke, and heat, protecting people and helping to stop fire from spreading through a building.
Key benefits:
Meets strict building codes for fire safety
Helps maintain safe exit paths during emergencies
Can still offer a clean, modern appearance
Best for: High-rises, hospitals, government and public buildings
#4 PVC & Fiberglass Curtain Wall Systems
Looking for something cost-effective and low-maintenance? These materials are great for simple, durable facades—especially in harsh climates.
Why they’re useful:
Resistant to moisture, rot, and corrosion
Lightweight and easy to install
Budget-friendly for large-scale or industrial projects
Best for: Warehouses, low-rise buildings, tropical or coastal zones
How to Choose the Right System
With so many types of curtain wall systems out there, choosing the right one can feel overwhelming. But don’t worry—we’ve got a simple guide to help you make the best choice for your project.
1. Building Height
Start by thinking about how tall your building is.
Low-rise projects often go with stick-built systems or storefront-like materials.
Mid- to high-rise buildings need unitized or structural systems that can handle higher wind loads and installation challenges.
2. Aesthetic Goals
Do you want a sleek glass façade, a natural look, or something bold and modern?
For minimalist designs, consider structural glazing or glass fin systems.
If you want texture and warmth, terracotta, timber, or stone veneer systems are great options.
3. Energy Performance
Energy efficiency matters now more than ever.
If that’s a priority, look at double skin systems or PV curtain walls.
Don’t forget about thermal breaks, insulated glass, and shading options when planning.
4. Budget and Timeline
Every project has limits.
Stick-built systems are more flexible and budget-friendly but take longer.
Unitized systems cost more upfront but can save time on-site and reduce labor needs.
5. Climate, Acoustics & Future Expansion
Is your building in a noisy, humid, or windy area? Do you plan to expand later?
Choose systems with strong thermal and acoustic insulation in urban or harsh environments.
Think about maintenance needs, future upgrades, and the flexibility of your chosen materials.
Looking for the Right Curtain Wall System?
We provide high-quality curtain wall solutions tailored to your project’s needs. Whether you need help with design, material selection, or installation, our team is here to support you.
Contact us for expert advice, custom solutions, or a free consultation.
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