Ballasted Solar PV Roof Mounting System

In China, the quality Ballasted Solar PV Roof Mounting System provided by Topfencesolar is a very practical solution for solar installations on flat roofs. Different from traditional mounting ways that need bolts fixed into building, this Non-Penetrating Solar Racking uses concrete blocks inside steel or aluminum trays. These trays connect with each other to spread weight evenly, so the whole system is heavy enough against wind but will not damage the roof. Both new and existing customers can make the arrangements through Topfencesolar.

Our durable Ballasted Solar PV Roof Mounting System uses wind deflectors behind panel rows to let air flow over panels smoothly, instead of lifting them like a sail. This makes the whole structure more aerodynamic. No matter your roof is TPO membrane or concrete deck, this Solar Ballast Mount can be arranged around HVAC units, pipes and other obstacles, so you can use every sunny space on roof effectively.

Technical parameters

Features & Benefits

1.Stable and Practical Material Choices

We don’t use only one kind of material for all projects. If you have limited budget, hot-dipped galvanized Q235B steel is a good choice. It is strong and can work for many years under sun and rain. If your roof cannot take too much extra weight, 6005-T5 aluminum is better because it is light and will not rust easily. We also use 304 stainless steel bolts to make sure connections stay in good condition for long time.

2.No Drilling, No Leak Risk

The biggest advantage of this Roof-Mounted Photovoltaic Structure is that you don’t need to drill holes on your roof. It uses thick rubber pads between metal and roof surface to protect the roof. Since there is no penetration, you will not face water damage or mold problems. This design also helps you keep the original 20-year roof warranty without any influence.

3.Flexible for Complicated Roof Conditions

Most commercial roofs have many pipes, vents and equipment. This system is modular, so you can changes the space between rows or move the blocks to avoid obstacles easily.

4.Fast and Quiet Installation

We design quality Ballasted Solar PV Roof Mounting System to save installation time and labor cost. Most parts are pre-assembled before delivery. Workers only need to connect rails and put blocks in position. There is no loud drilling or welding work, so the business inside building can work normally. This makes installation faster and more efficient.

Application Case

The truss structure model operated by engineers is firmly fixed to the photovoltaic system through reinforcement or direct anchoring methods, such as welding or bolt connections, thus integrating the high quality Ballasted Solar PV Roof Mounting System with the building framework.

Why Choose Us

1. Experience: Rich Practical Experience, Proven by Large-Scale Commercial Projects

We have in-depth practical experience in the field of flat roof solar mounting systems, with a wealth of project operation experience that can fully meet the diverse needs of procurement商. Our Ballasted Solar PV Roof Mounting System has been widely applied in numerous large commercial solar projects in China, and has been recognized and trusted by a large number of new and existing customers. We deeply understand the pain points of flat roof installation—such as roof damage, difficult construction, and limited space utilization—and have accumulated mature solutions through long-term project practice. Whether it is a new building roof or an existing roof renovation, we can provide smooth and efficient installation support, avoiding the risks caused by lack of project experience. Our pre-assembled product design and modular installation method are also continuously optimized based on actual project experience, ensuring that each project can be completed quickly and with high quality.

2. Expertise: Professional Technology & Tailored Solutions, Exceeding Industry Standards

Our professionalism is reflected in every detail of product R&D, material selection and technical design, fully matching your procurement requirements for product performance, adaptability and cost control:

- Professional Material Selection: We do not adopt a one-size-fits-all material solution, but provide targeted options according to your budget and roof load-bearing capacity. Hot-dipped galvanized Q235B steel is cost-effective, strong and durable, suitable for projects with limited budget; 6005-T5 aluminum is lightweight and corrosion-resistant, perfect for roofs with limited load-bearing capacity; 304 stainless steel bolts ensure long-term stability of connections, effectively extending the service life of the system. All materials meet strict quality standards, laying a solid foundation for the stability of the entire system.

- Professional Structural Design: The system adopts a non-penetrating design that does not require drilling holes on the roof, equipped with thick rubber pads to protect the roof surface, completely avoiding roof leakage and mold problems caused by roof penetration, and ensuring that the original 20-year roof warranty of the building is not affected. At the same time, we have added wind deflectors behind the panel rows to optimize the aerodynamic performance of the system, allowing air to flow smoothly over the panels, effectively resisting wind uplift (wind load up to 60m/s) and ensuring the stability of the system under extreme weather conditions. The snow load resistance of 1.4kn/m² also makes the system adaptable to various climate environments.

- Professional Adaptability & Customization: The modular design of the system allows flexible adjustment of the spacing between rows and movement of ballast blocks, which can easily avoid obstacles such as HVAC units and pipes on commercial roofs, maximizing the use of every sunny space on the roof. We also provide professional OEM and customization services, which can be tailored according to your specific roof type (TPO membrane, concrete deck, etc.), project scale and special needs, fully solving the problem of poor adaptability of traditional mounting systems.

3. Authoritativeness: Recognized Quality & Standardized System, Leading the Industry Benchmark

TopfenceSolar has established a complete quality control system, and our Ballasted Solar PV Roof Mounting System has passed strict quality inspections in all links from material procurement to production and delivery. The product adopts anodized surface treatment, which is corrosion-resistant and aesthetically pleasing, and the quality is stable and reliable. Our products have been widely recognized in the industry as a safe and reliable choice for large commercial solar projects, and we have accumulated a good brand reputation in the field of flat roof solar mounting systems. We follow international industry standards in product design and production, and the technical parameters and performance indicators of the system are fully in line with the requirements of global solar installation projects, which can provide strong support for your project bidding and market expansion.

4. Trustworthiness: Transparent Commitment & Comprehensive Service, Eliminating Your Worries

We always take trustworthiness as the foundation of cooperation, and all commitments to customers are open and transparent, fully solving your worries about procurement, installation and after-sales:

- Transparent Quality Commitment: We clearly promise a 10-year product warranty and long service life, and all product parameters (brand, material, surface treatment, load-bearing capacity, etc.) are truthfully displayed, without any false propaganda. You can clearly understand the product details before procurement, ensuring that the purchased products are consistent with the expected requirements.

- Efficient Installation Support: Most parts of our system are pre-assembled before delivery, which greatly shortens the on-site installation time and reduces labor costs. The installation process does not require loud drilling or welding, ensuring that the business inside the building can operate normally, which is especially suitable for commercial projects that require fast construction and minimal impact.

- Comprehensive After-Sales Service: We provide full-cycle service from pre-sales consultation, program design, on-site installation guidance to after-sales maintenance. For any questions during the use of the product, we will respond in a timely manner and provide professional solutions. Whether you are a new customer or an existing customer, you can get consistent and high-quality service support, ensuring the long-term stable operation of your solar system.

Product FAQ

Do I need to drill holes on my roof?

No drilling at all. This is a fully non-penetrating ballasted system.

Can this ballasted mounting system be used on any flat roof?

Yes, it works well on most common flat roofs like TPO, EPDM and concrete roofs without drilling holes.

How long does installation usually take?

In fact, the installation of our Ballasted Solar PV Roof Mounting System is fast because parts are pre-assembled. Most projects can be finished much quicker than traditional mounting systems.