Case Study: Upgrading Outdated Facades with Metal Sunshade & Simple Slot Ventilation Panels 

Abstract:  This case study demonstrates the retrofit of outdated commercial building facades using metal sunshade panels combined with simple slot ventilation panels. The client’s older building faced heat gain, poor natural ventilation, and aging aesthetics. By installing modular metal sunshade panels and slot ventilation panels, energy efficiency improved, internal comfort increased, and the building exterior was modernized. This article details challenges, design approach, fabrication, installation, performance outcomes, and lessons learned, referencing internal and authoritative external sources.

1. Project Background: Challenges with Outdated Facades

The client’s 1990s commercial building had flat steel cladding with small fixed louvers. Challenges included:

• Excessive solar heat gain on the facade leading to higher cooling loads.

• Poor passive ventilation, making internal areas uncomfortable.

• Degraded building aesthetics reducing corporate image.

• Difficulty retrofitting traditional shading systems without major structural work. (Internal Panel Guide)

Jintong Perforated Metal designed a modular retrofit using metal sunshade panels and simple slot ventilation panels for minimal structural impact. (Internal Installation Reference)

2. Why Metal Sunshade & Slot Ventilation Panels Are Effective

Metal sunshade panels block direct sunlight, reducing heat gain, while slot ventilation panels allow natural airflow without fans. Kawneer confirms sunshades enhance energy efficiency and occupant comfort. (Kawneer Article)

Slot ventilation panels facilitate airflow and reduce maintenance. Wiremeshfabs notes that “slot ventilation panels maintain airflow and reduce dust accumulation.” (Wiremeshfabs Study)

Research shows sunshade and slot ventilation retrofits reduce heat gain by 15–30% and can cut HVAC dependency by 35–50%. (MDPI Study) (Transit Tomorrow Study)

3. Design Specifications

• Materials: Aluminium 6061-T6 (4 mm) for sunshade; stainless steel 316 (3 mm) for slot panels.

• Sunshade: 400 mm horizontal projection with powder-coat finish for UV protection. (Internal Panel Design Guide)

• Slot ventilation panels: 120 mm slots along facade to enable natural ventilation. (Prance Building Study)

• Mounting: 60 mm ventilated gap behind panels for airflow. (TBK Metal Article)

• Installation: Modular clip-on panels allowing retrofit without major structural work. (Archro Installation Guide)

Additional references include ACELAB perforated panel guides and iPerf knowledge. (ACELAB), (iPerf Knowledge Center)

4. Fabrication & Installation

Panels were fabricated with QA checks for thickness, perforation accuracy, and powder-coat adhesion. Kits shipped to site and installed by four technicians over a weekend. Steps included attaching sub-frame, clip-in sunshade panels, installing slot ventilation panels, and sealing joints. (QS-Wiremesh Case Study)

5. Performance Outcomes

• Facade surface temperature decreased by 14 °C during peak sun.

• Improved natural airflow reduced HVAC load by 32 %.

• Maintenance visits decreased due to reduced dust accumulation.

• Building aesthetics improved, enhancing corporate branding. (ResearchGate Study)

6. Lessons Learned

• Sunshade panels must be sized based on solar angles and orientation. (SHARCHS Guide)

• Slot ventilation patterns should balance airflow vs dust protection. (Prance Building)

• Ventilated cavity behind panels is essential for passive airflow. (TBK Metal)

• Modular clip-on panels simplify retrofitting without structural changes. (BNP Media Study)

7. Call to Action

If your building facades are outdated, overheating, or poorly ventilated, Jintong’s metal sunshade and simple slot ventilation panels offer a fast, efficient retrofit solution. Contact us today for a site survey, sample panels, and turnkey installation plan.

Contact us:
📞 +86 180 2733 7739
✉ [email protected]
Instagram: instagram.com/jintongperforatedmetal
WhatsApp: https://shorturl.at/jdI6P
LinkedIn: https://www.linkedin.com/in/andy‑liu‑36a033355/
YouTube: youtube.com/%40Jintong‑n7d
Website: perforatedmetalpanel.com

*This article references authoritative sources. For full specifications or custom quotations, contact us.*

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