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Flat Roof Mounting System
Application: Commercial & Industrial Flat Roofs (Concrete, TPO, PVC, EPDM)
Primary Users: Factory Owners, Warehouse Operators, Commercial Property Managers, EPCs
System Types: Ballasted (Non-Penetrating), Penetrating (Mechanically Attached)
Core Material: High-Strength Steel (Q235/Q355), Lightweight Aluminum (AL6005-T5)
Key Advantage: Engineered for maximum roof protection, structural stability, and rapid installation.
Turn Your Idle Flat Roof into a Power-Generating Asset
Promisteel's Flat Roof Mounting System is a comprehensive solution designed to safely and efficiently install solar arrays on commercial and industrial buildings. We understand that your roof is a critical asset. That's why we offer a range of engineered solutions that maximize your energy generation while uncompromisingly protecting your roof's structural integrity and waterproof warranty.
- Two Core Solutions: Ballasted vs. Penetrating
To cater to diverse roof structures and project requirements, we offer two primary flat roof solar racking configurations:
Ballasted (Non-Penetrating) System: This system uses concrete blocks or other weights to secure the solar array, completely avoiding any drilling or penetration of the roof membrane. It is the ideal choice for roofs where penetrations are not permitted or for building owners who want to preserve their roof warranty. Our engineers precisely calculate the required ballast based on local wind loads and building height.
Penetrating (Mechanically Attached) System: For regions with extremely high wind loads or on roofs with limited load-bearing capacity for ballast, this system provides the ultimate connection strength. The structure is securely anchored directly to the building's structural joists or purlins using high-quality bolts and advanced waterproofing hardware, ensuring maximum stability.
- Aerodynamic Design for Reduced Load
Our flat roof solar racking systems can be equipped with integrated wind deflectors. This aerodynamic design intelligently redirects wind flow over and around the solar array, significantly reducing the uplift forces on the system. This not only enhances safety but also reduces the amount of ballast required, lowering the overall weight on your roof and saving on material costs.
- Engineered for Durability and Material Compatibility
We offer our structures in both high-strength, corrosion-resistant steel (ideal for strength) and lightweight aluminum (ideal for weight-sensitive roofs). All components are designed to be compatible with common flat roof materials like TPO, PVC, and EPDM, ensuring no chemical reactions or damage to your roof membrane over time.
|
Zinc Coating |
Thickness |
Grade |
Specifications |
|
ZAM80g-ZAM450g |
1.4 mm-2.0 mm |
DX51D DX53D SGC340 SGC440 S280GD S350GD S450GD S550GD |
41 mm*41 mm |
Which Flat Roof System is Right for You?
| Feature | Ballasted Mounting System | Penetrating Mounting System |
| Installation Method | Non-Penetrating: Uses weights (ballast) for stability. No roof drilling. | Mechanically Attached: Secured directly to the roof's structural frame with bolts. |
| Best For | Roofs where penetrations are prohibited, preserving roof warranty. | High-wind zones; roofs with limited load capacity for ballast. |
| Roof Integrity | Maximum Protection: No impact on the roof membrane. | High Protection: Uses professional-grade flashing and sealing for waterproof connections. |
| System Weight | Higher (due to ballast) | Lower (less material) |
| Installation Speed | Generally faster and simpler. | More complex, requiring locating structural points. |
| Learn More | [Request a Ballasted System Quote] | [Request a Penetrating System Quote] |
The Flat Roof Mounting System has the following characteristics:
● Good stability: The flat roof photovoltaic support adopts a stable frame structure with strong supporting capacity and high stability and can withstand external forces such as wind pressure and snow pressure.
● Flexible angle adjustment: The flat roof photovoltaic support can be adjusted according to the actual situation to obtain the best sunlight area and improve the power generation efficiency of the photovoltaic power station.
● Easy installation: The installation of flat roof photovoltaic brackets is relatively simple, usually only requires some simple tools and materials, and does not require large-scale transformation.
● Wide range of applications: flat roof photovoltaic brackets are suitable for various types of buildings, such as commercial buildings, industrial buildings, public facilities, etc.
FAQ
Q1: Will a ballasted system be heavy enough to stay on my roof during a storm?
A1: Absolutely. Our engineering team performs a detailed wind load analysis for every project based on your building's specific location, height, and exposure category. We then calculate the precise amount and placement of ballast required to ensure the system remains stable and secure even in extreme weather conditions, fully complying with local building codes.
Q2: Can I install a solar system on my roof if it has a warranty?
A2: Yes, and this is where our ballasted (non-penetrating) solar racking is the perfect solution. Since it requires no drilling or attachments to the roof membrane, it typically does not void most commercial roof warranties. We always recommend consulting with your roofing contractor, but our system is designed to be warranty-friendly.
Q3: How do you determine if my roof can handle the weight of a solar mounting system?
A3: A professional structural engineering assessment is a crucial first step for any flat roof project. We can work with your appointed engineer or recommend one. They will analyze your building's plans and inspect the roof structure to determine its maximum load-bearing capacity, which then informs our decision on whether a ballasted or a lightweight penetrating system is the most suitable option.
Q4: What is a wind deflector, and do I need one?
A4: A solar panel wind deflector is an angled shield placed at the back of the solar array. It helps to streamline airflow, reducing wind uplift on the panels. For many projects, especially those in higher wind zones, incorporating wind deflectors can significantly reduce the amount of ballast needed, thus lowering the overall weight and cost of the system. Our team will determine if it's beneficial for your specific project.
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