On-Roof Installation

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On-Roof Solar PV Systems

Genfit specialises in providing high-performance on-roof solar PV systems, designed to be mounted directly onto the existing roof structure of homes and businesses. Our on-roof installations are perfect for properties where the roof surface is suitable for solar panels, offering a simple and effective way to generate renewable energy. By securely fixing the panels to the roof using specialist mounting systems, we ensure maximum energy capture without affecting the roof’s integrity or appearance. Every on-roof system is tailored for optimal energy production, delivering long-term savings on energy bills and reducing carbon emissions.

Key Points About On-Roof Solar Panel Installations

  • Mounting: Panels sit on racks fixed to the roof using brackets, screws, or ballasted systems, depending on the roof type.

  • Roof Compatibility: Suitable for most roofs — tile, metal, asphalt, or flat. Some roofs may need extra reinforcement for safe installation.

  • Orientation & Tilt: Panels are positioned for maximum sunlight (south-facing in the Northern Hemisphere). Tilt angle is set based on the site’s latitude.

  • Wiring: Panels are wired in series or parallel, with conduit run to an inverter that converts DC power to usable AC.

  • Permits & Codes: Installations must follow local building and electrical regulations. Permits are usually required.

  • Maintenance: Occasional cleaning, performance checks, and inspections help keep the system running efficiently.

Detached House Solar PV Installation
Residential Solar Panel System

Advantages of On-Roof Solar Panel Installations

On-roof solar panel installations offer advantages such as relatively lower installation costs compared to in-roof installations, flexibility to retrofit existing roofs, and the ability to easily replace or upgrade individual panels if needed. It’s essential to engage with reputable solar installers who can assess your roof’s suitability, design an optimal system, and ensure proper installation for maximum energy production and longevity.

On-roof solar systems remain the most popular choice for homes and businesses thanks to their reliability, versatility, and strong performance. These installations sit securely on top of your existing roof covering, allowing for rapid installation with minimal disruption. Modern mounting systems ensure excellent ventilation beneath the panels, improving efficiency and extending system lifespan. With on-roof solar, you get a clean, streamlined look paired with proven energy savings year after year.