Photovoltaic systems are no longer restricted to traditional tiled roofs. Modern mounting systems allow the installation of solar modules on virtually any roof shape—whether flat, pitched, covered with bitumen, or metal. A mounting kit tailored to the roof type is crucial for the long-term success of a PV system. This ensures secure support, easy installation, and maximum energy yield.
Installation sets for tiled roofs – proven classics
Tiled roofs are among the most common roof types in Germany. Custom-fit mounting systems are available for them, specifically developed for clay or concrete roof tiles. These systems typically consist of height-adjustable roof hooks attached to the rafters and aluminum mounting rails on which the solar modules are mounted.
This solution offers high stability, flexible adaptation to different tile types (e.g., Frankfurt pantile, plain tile), and easy maintenance. The rail guide allows for vertical or horizontal module installation – depending on the orientation to the sun.
The appropriate mounting kits for tiled roofs – https://boga-solar.de/produkt-kategorie/montagesets/ziegeldach/ – usually already include all the necessary components: roof hooks, rails, clamps, and screws. This allows for quick and safe installation – even by experienced DIYers.
Photovoltaic mounting on bitumen – safe solutions for sensitive roofs
Roofs with bitumen or asphalt shingles place special demands on the mounting system. The top priority is to avoid damaging the waterproofing. Special systems allow for direct attachment to the wooden substructure – without compromising the protective layer.
Typically, height-adjustable roof hooks are used here, which are inserted through the bitumen layer at specific points and screwed to the rafters. An additional seal around the penetration provides permanent weather protection.
An example of a suitable kit is the photovoltaic mounting kit for bitumen flat roofs – https://boga-solar.de/produkt/photovoltaik-befestigung-auf-bitumendach/ . It contains everything required for a stable and durable installation on a bitumen roof – including special sealing elements and low-vibration module clamps.
Flat roof systems – photovoltaics thought horizontally
Flat roofs offer large, even surfaces—ideal for photovoltaics, provided the right mounting system is used. Since direct screwing is usually not desirable or possible, ballasted or aerodynamic systems are primarily used.
Ballast systems use the weight of panels or concrete blocks to securely fix the modules to the roof – without penetrating the waterproofing. Aerodynamic systems, on the other hand, rely on streamlined shapes that utilize wind pressure to hold the modules in place.
Advantages:
- No damage to the roof covering
- Can be placed flexibly
- Optimal inclination (usually 10–15°) for good yields
Flat roof systems are particularly suitable for commercial properties, carports or modern residential buildings with a low roof pitch.
Fixing for trapezoidal sheet roofs – PV on the metal roof
Trapezoidal sheet metal roofs are often found on halls, workshops, or agricultural buildings. Their wave-shaped structure requires special brackets that optimally adapt to the shape of the sheets.
Typically, so-called calottes or direct screw fastening systems are used here, which engage the raised beads of the sheets. It is important that the material is made of corrosion-resistant aluminum or stainless steel to ensure long-term weather resistance.
These systems allow for quick installation with a few components and are often more cost-effective than traditional roof systems. However, the sheet metal roof structure must have sufficient load-bearing capacity.
Which mounting kit is suitable for your roof?
Whether tile, bitumen, flat roof, or trapezoidal sheet metal – there’s a suitable mounting system for every roof type. The key lies in the right selection: material, roof shape, orientation, and substructure all play a central role. This is the only way to optimally combine yield, safety, and longevity.
If you want to play it safe, you should opt for tested complete sets that are specifically designed for the respective application. These contain all the necessary components and significantly simplify the installation process.
Roof-compatible and resilient PV substructures – mounting kits are available from specialized suppliers. A wide selection for tiled, bitumen, flat, and sheet metal roofs can be found, for example, at boga-solar.de , where systems are clearly categorized by roof type and application.
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