High-Performance Steel Roof for Metro Stations
At the heart of Pune Metro stations’ roofing success is the KLIP-LOK® 700 profile. Designed for flat or low-slope roofs, this steel roof profile features:
- 43mm high ribs for better wind uplift resistance
- 233mm wide pans to ensure excellent water-carrying capacity
- A concealed-fixed (screwless) installation for leakproof performance and a clean finish
The absence of lap joints and screw penetrations ensures 100% leak-proof roofing, which is a necessity for Pune’s monsoon conditions. This approach also eliminates corrosion risks and supports long-term structural integrity.
Such leak-proof characteristics make KLIP-LOK® 700 an ideal choice for steel roofing for metro stations, where reliability under heavy public use is non-negotiable.
Seamless Wall Cladding for Integrated Design
Paired with the roof was a carefully coordinated wall cladding system, executed using KLIP-LOK® 700 profiles with COLORBOND® steel. This provided a modern, premium aesthetic and also added to the weather-tightness of the stations.
The wall cladding:
- Enhanced thermal insulation and noise control
- Complemented the roofing in colour and form
- Required minimal maintenance and offered excellent corrosion resistance
Wind Resistance Through Structural Detailing
Given the elevated nature of metro stations, wind uplift was a significant consideration. Even though Pune’s average wind speed is moderate (39 m/sec), the roofing was designed to handle a 100-year return period wind load.
The engineering team optimized structural strength by:
- Reducing purlin spacing to 1400 mm
- Enhancing the factor of safety for extreme weather events
These enhancements resulted in a steel roof system capable of withstanding intense environmental stress, reinforcing commuter safety and infrastructure longevity.
Solar Compatibility Without Compromise
Sustainability was a key pillar of Pune Metro stations’ design strategy. The roofing system was made solar-ready using specially developed aluminium clamps that allowed solar modules to be mounted without puncturing the roof sheets.
Key benefits included:
- Non-invasive solar mounting on KLIP-LOK® 700 profiles
- Preservation of the leak-proof roofing system
This compatibility makes LYSAGHT® roof and wall cladding solutions a future-ready solution for metro stations aiming to incorporate renewable energy.
Crimping Precision for Curved Roofing Sheets
Many stations featured curved forms and multi-block architecture, requiring precise transitions between various roof and wall elements. On-site crimping and phased installation were used to:
- Ensure seamless junctions between curved and straight roofing
- Align multi-panel assemblies with minimal error
- Deliver both visual fluidity and structural coherence
These curved roofing sheets added a modern architectural dimension to the stations, combining form with function.
Elevated Aesthetics with COLORBOND® steel spectrum series
Beyond structural integrity and functionality, the Pune Metro stations also stand out for their refined and contemporary appearance. The use of KLIP-LOK® 700 profiles in the COLORBOND® steel spectrum series brought a premium metallic finish.
The chosen colour palette: Copper, Champagne Gold, Sky Ridge, and Metallic Silver complemented Pune’s urban landscape and gave each station a unique visual identity. These colours added sophistication to the roofing and wall cladding surfaces while retaining long-term durability, UV resistance, and gloss retention.
This combination of technical performance and visual finesse demonstrates how LYSAGHT® solutions enable infrastructure projects to go beyond utility, delivering public spaces that are modern, welcoming, and representative of the city’s progress.
Integrated Metro Station Roofing Systems with LYSAGHT®
The Pune Metro stations demonstrate how carefully engineered roofing solutions can solve a range of urban infrastructure challenges. From leak prevention and wind resistance to design adaptability and sustainability, each component was engineered to meet rigorous performance standards.
By using high-quality roof and wall cladding solutions, the stations:
- Delivered long-lasting value
- Improved construction timelines through meticulous design detailing and planning
- Achieved exceptional aesthetics with COLORBOND® steel
- Supported solar panel installations without puncturing the roofing system
Such coordinated systems reflect the growing trend of using color-coated steel roofing for metro applications across Indian cities.
Conclusion
The Pune Metro stations project reflects how next-generation infrastructure relies on more than just concrete and transit lines; it depends on materials that combine form, function, and future readiness. The use of LYSAGHT® roof and wall cladding solutions has ensured robust structural performance and has also enhanced the architectural character of the metro stations.
With the increasing demand for dependable roofing solutions in public infrastructure, this project sets a strong precedent. Whether for their solar-ready integration, wind uplift resistance, or superior aesthetics, the solutions used here demonstrate why color-coated steel roof and wall cladding systems are rapidly becoming the gold standard in metro construction.
As Indian cities continue to grow upward and outward, the Pune Metro project serves as living proof of how well-designed, high-performance roofing sheets can literally and figuratively elevate public transport infrastructure.