Solar mounting systems – find manufacturers and suppliers

Solar mounting systems are load-bearing mounting systems that securely hold, align and permanently fix solar modules.

They form the mechanical backbone of a PV system and have a decisive influence on stability, service life, yield and installation costs. Depending on the location, roof shape, substrate and static requirements, profile systems differ significantly in terms of structure, material and function.

Below you will find the functionality and types of solar mounting systems, their use and their advantages, as well as technical and structural aspects that need to be considered:

How solar mounting systems work:

The way mounting systems work is to reliably connect solar modules to the structure or the ground while ensuring optimal alignment with the sun.

The profiles take on several tasks:

1. They bear the weight of the modules, transfer wind and snow loads to the substructure and keep the modules at a defined distance from the surface. This distance is important for rear ventilation, which contributes to cooling the modules and improves efficiency.
2. The profiles are part of a modular system of rails, connectors, clamps and fastening elements that allows flexible adaptation to different module formats and system layouts.

Types of solar mounting systems:

1. Roof profile systems for pitched roofs:
   These systems are used on pitched roofs made of tile, concrete, slate or sheet metal.
   The profiles are connected to the roof structure using roof hooks, hanger bolts or special clamps.
   The aim is to ensure secure fastening without affecting the roof waterproofing.
2. Profile systems for flat roofs:
   Ballasted or elevated profile systems are often used on flat roofs.
   They usually do not require any roof penetration and use weights to hold the system in position.
   The profiles are designed in such a way that they enable an optimum module inclination and small areas exposed to wind.
3. Ground-mounted and ground systems:
   These profile systems are mounted on the ground and anchored via posts or foundations.
   They are used in solar parks or large ground-mounted systems and allow flexible module inclinations and partially tracked systems.
4. Façade profile systems:
   For building-integrated photovoltaics, special profile systems are used that attach modules vertically or at an angle to façades.
   They meet both technical and architectural requirements.
5. Special and custom profile systems:
   These include systems for carports, industrial roofs, trapezoidal sheets or agri-PV applications.
   These profiles are designed for special loads, spans or usage requirements.

Materials of solar mounting systems:

Most mounting systems are made of aluminum because it is lightweight, corrosion-resistant and easy to install. Galvanized steel or stainless steel are also used in areas subject to particularly high loads or for ground-mounted systems.
The choice of material influences stability, weight, installation effort and service life.

Use of solar mounting systems:

Mounting systems are used in almost all PV applications:

1. Rooftop photovoltaic systems:
Mounting systems serve as a load-bearing substructure for solar modules on pitched or flat roofs.
They enable secure fastening, precise alignment of the modules and high wind and snow load protection.

2. Ground-mounted photovoltaic systems:
For large solar parks, mounting systems form the basis for modular elevations on open spaces.
They guarantee stability, simple installation and flexible adaptation to terrain profiles.

3. Carport and roofing systems:
Mounting systems are used in PV carports or covered parking lots.
They reliably support the solar modules, offer mechanical safety and can provide architecturally appealing solutions.

4. Façade integration:
Photovoltaic modules can be mounted directly on building façades using mounting systems.
The substructure ensures structural safety, correct inclination and simple integration into the building envelope.

5. Industrial and commercial roofs:
In large industrial plants or warehouses, mounting systems ensure safe and economical installation of PV systems.
They adapt to different roof materials and load-bearing capacities.

6. Mobile or temporary PV solutions:
Mounting systems are also used for mobile solar installations, e.g. on trailers, containers or construction sites.
They offer flexible, stable mounting and quick installation.

7. Research and development:
In test and demonstration installations, mounting systems serve as a basis for different module types, tilt angles and orientations.
They enable simple adjustment and secure mounting for trials and pilot projects.

They are suitable for small private systems as well as for large commercial and industrial PV projects.

Advantages of solar mounting systems:

• A major advantage is the high stability and safety of the entire system. Well-designed profile systems ensure that the modules are permanently secured, even under heavy wind and snow loads.
• Thanks to their modular design, they enable quick and flexible installation, which reduces installation times and costs. At the same time, the systems can be easily adapted to different roof shapes, module sizes and orientations.
• Another advantage is the improvement in energy yield. The profiles ensure optimum alignment and sufficient ventilation of the modules, which minimizes power losses due to overheating.
• In addition, high-quality mounting systems offer a long service life and low maintenance, as they are weather-resistant and corrosion-protected. They therefore make a significant contribution to the cost-effectiveness and reliability of photovoltaic systems.

Technical and structural aspects of solar mounting systems:

• Modern mounting systems are statically tested and designed to withstand regional wind and snow loads.
• They comply with relevant standards and building regulations and are often supplied with installation and structural analysis certificates to facilitate planning and approval.

Solar mounting systems are a central component of every PV installation. They assume the load-bearing function, ensure the safety, efficiency and durability of the system and enable flexible adaptation to a wide range of operating conditions. Thanks to a wide range of types, materials and designs, they are ideal for both small roof systems and large open-space projects. Their advantages lie in their stability, ease of installation, yield optimization and long-term cost-effectiveness, which means they make a significant contribution to the success of modern photovoltaic systems.

Here you will find the most important aspects to consider when purchasing solar mounting systems:

The professional purchase of solar mounting systems is a key prerequisite for the safety, performance and longevity of a PV installation. Although the focus is often on the modules themselves, the quality of the profile system is decisive for the stability, installation effort, yield and maintenance effort of the entire system. Errors in selection can lead to static problems, leaks, increased wear or even system failure. Procurement should therefore be based on a sound technical, economic and normative assessment.

• At the outset, it must be clarified exactly where and how the profile system will be used.
• Roof shape, roof pitch, roof covering, substructure, building height and regional wind and snow loads are decisive influencing factors.
• For flat roofs, the roof cladding, permissible surface loads and ballasting limits also play a role.
• For ground-mounted or façade systems, other static and design requirements apply.
• A professionally selected mounting system must have comprehensible structural calculations.
• These should be tailored to the respective load assumptions and comply with the relevant standards and building regulations.
• It is important that the manufacturer can provide or support project-specific structural analysis, especially for large or complex systems.
• The choice of material has a direct influence on service life and maintenance costs.
• Aluminium profiles are lightweight, corrosion resistant and easy to install, while galvanized steel or stainless steel offer advantages for heavy loads or floor systems.
• When purchasing, attention should be paid to high-quality alloys, clean processing and tested corrosion protection, especially in exposed or aggressive environments.
• Mounting systems must be compatible with the intended solar modules.
• This includes frame heights, clamping areas and fixing points.
• Compatibility with roof hooks, hanger bolts, clamps or ballast systems is equally important. A flexible system reduces adaptation effort and installation time.
• A decisive factor in professional purchasing is installation efficiency.
• Sophisticated profile systems are characterized by few, clearly defined components, pre-assembled elements and low-tool installation.
• Good system logic reduces sources of error, shortens installation times and lowers labor costs.
• PV systems are frequently extended or adapted. The mounting system should therefore have a modular structure and be future-proof and expandable.
• Additional module rows, other module formats or a changed alignment should be possible without the need for a complete re-installation.
• When purchasing, particular care must be taken to ensure that the profile system protects the roof cladding and does not impair the fabric of the building.
• Reliable sealing solutions are required for penetrating systems, while load distribution and slip protection are crucial for ballasted systems.
• Proper integration reduces subsequent damage and liability risks.
• Professional installation systems must comply with relevant standards, building authority approvals and quality certificates.
• These provide security in terms of load-bearing capacity, material quality and long-term behavior and are often a prerequisite for approvals or insurance.
• An experienced manufacturer not only offers products, but also planning support, installation instructions, technical documentation and after-sales service.
• Availability of spare parts, long-term delivery capability and technical advice are important criteria for a sustainable investment.
• In addition to the purchase price, the total costs over the service life should be considered. These include installation costs, maintenance costs, possible retrofitting and the risk of failure or damage.
• High-quality mounting systems are often more expensive to purchase, but offer greater safety and lower follow-up costs in the long term.

The professional purchase of solar mounting systems requires a holistic view of technology, statics, material quality and cost-effectiveness. A precise analysis of the operating conditions, tested structural design, high-quality materials, ease of installation and compliance with relevant standards are crucial. Those who rely on a well thought-out, compatible and durable profile system from an experienced supplier create the basis for a safe, powerful and economical photovoltaic system for many years to come.

Solar mounting systems can be purchased from various suppliers. Comprehensive information about manufacturers and suppliers of Solar mounting systems from all over the world can be found on Exportpages.