Curtain Wall System refers to the exterior surface that connects to the building’s structure without carrying any loads of the structure. Generally made with aluminum framing and glass panels, it serves as a safeguard against rain, dust, and heat while giving the building an elegant and modern look. Besides improving the look of the building, the system also helps to provide better natural light, energy efficiency, and performance.
Nowadays, curtain wall systems are used in many commercial buildings such as hotels, educational institutions, offices, hospitals, and shopping malls, providing a wide range of solutions for modern construction processes.
What is a Curtain Wall System?
Curtain walls are coverings located on the outside of buildings, but do not actually support them like any other form of wall. It basically shields the buildings from harsh weather conditions and external pollutants while allowing natural sunlight to come in.
Aluminium curtain wall systems are usually made of aluminium frames and glass panels, but various materials may be used depending on the specific project.
Today, curtain walls can be frequently found in:
- Offices
- IT parks
- Shopping malls
- Hotels
- Hospitals
- Educational institutions
- Residential buildings
Curtain walls help give buildings a beautiful modern look and make them energy-efficient and easy to maintain.
Why Are Curtain Wall Systems Becoming So Popular?
Contemporary constructions are expected to meet various requirements in addition to being visually appealing. It is equally vital that they be energy-efficient, robust, and user-friendly.
Some significant advantages include:
- Provides an ultramodern look to the edifice
- Maximizes natural daylight in the building
- Enhances the effectiveness of thermal insulation
- Reduces external noise
- Protects the building from adverse weather conditions
- Requires minimum maintenance
- Increases property overall worth
When properly chosen glass-and-aluminum combinations are applied in curtain wall systems, they help lower electricity costs through effective temperature control indoors.
Types of Curtain Wall Systems
Different buildings have different needs in terms of design. Selecting the most appropriate curtain wall varies based on building height, budget, time for construction, and architectural design of the building.
Stick-Built Curtain Wall
This is the most popular technique used in the construction of low-rise and mid-rise buildings. Here, distinct aluminum frames and glass are mounted onsite.
- Ideal for: Small businesses and offices.
Unitized Curtain Wall
In this type, the entire wall panel is created in the factory and brought to the location for installation.
- Ideal for: Tall buildings used for business purposes.
Semi-Unitized Curtain Wall
With a semi-unitized curtain wall, production occurs at the factory, and the product is then delivered to the building for installation. This way, it is possible to find the optimal choice in terms of both installation speed and design.
- Ideal for: Medium and large business buildings.
Structural Glazing Curtain Wall
With this method, special silicone sealants are used to create a glass wall with hardly any visible aluminum frame at all.
- Ideal for: Premium offices, hotels, and shopping centers.
Spider Glazing System
The spider glazing system uses stainless steel fittings instead of traditional frames, creating a frameless glass appearance.
- Best for: Airports, luxury showrooms, atriums, and modern commercial buildings
Cost of Different Types of Curtain Wall Systems
There are numerous aspects affecting curtain wall system pricing, such as system type, glass specifications, aluminum profile, building height, and installation specifications. The table shown below provides an approximate cost comparison to help you choose the most suitable option for your project and budget.
|
Type |
Approximate Cost in India |
|
Stick-Built Curtain Wall |
₹900-₹1,800 per sq ft |
|
Unitized Curtain Wall |
₹1,500-₹3,000 per sq ft |
|
Semi-Unitized Curtain Wall |
₹1,200-₹2,400 per sq ft |
|
Structural Glazing Curtain Wall |
₹1,800-₹3,500 per sq ft |
|
Spider Glazing System |
₹2,000-₹4,500+ per sq ft |
How to Choose the Right Curtain Wall for Your Building?
Despite the numerous options available for curtain walls, picking the best choice may seem difficult. The correct option depends on the requirements of the job you are working on, and not going for the highest-priced option. Some of the points you need to look into before making the right choice include:
Height of the building
For high-rise buildings, unitized curtain walls are preferred as they are quick to install and have uniformity in quality. In general, stick-built systems are suitable for low- to medium-rise buildings.
Budget
Different projects have different budgets. Always remember to check the installation costs, maintenance requirements, and final value before choosing your option.
Design considerations
If the aim is to create a stylish glass facade, structural glazing, curtain wall glazing, or spider glazing would be a great option to consider.
Energy savings
If you want to ensure that energy transfer is minimized and indoor comfort is maximized, make sure to choose efficient glass with adequate thermal insulation.
Maintenance
Some systems are easier to maintain than others. Choosing a good option can save you maintenance costs in the long run.
Why Are More Builders Choosing Curtain Wall Systems?
Modern constructions are required to have features beyond their appearance; they must conserve energy, resist various climatic changes, and have low maintenance costs. That is why builders and architects utilize advanced and energy-efficient facade features.
Curtain wall systems help achieve these goals by:
- Improving the building’s overall appearance
- Increasing natural daylight indoors
- Enhancing thermal performance
- Protecting against harsh weather conditions
- Reducing long-term maintenance
- Supporting sustainable construction practices
These advantages make them a preferred choice for architects, builders, and property owners across India.
Let’s Conclude
The exterior of your building is among the first things to be noticed, and it also plays a significant role in the protection of your building in the years to come. The right type of curtain wall facade can boost energy efficiency, decrease maintenance costs, and provide a striking appearance.
In case you are building a commercial office, shopping mall, hotel, or institution, investing in a suitable curtain wall system may have a huge impact on the performance and appearance as well. By understanding various types, comparing their costs, and making the right choice, you can create a durable and efficient building.
At Alunova, we help bring your architectural vision to life with high-quality curtain wall glazing and facade solutions. Contact us today to find the right solution for your next project.