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Solar Ballast Flat Roof Mounting System

Looking for a robust and reliable way to install solar panels on your commercial or residential flat roof? A Solar Ballast Flat Roof Mounting System offers the ideal solution. Unlike traditional penetrating mounts, these systems are non-invasive. They utilize strategically placed ballast weights—concrete blocks or specially designed trays—to hold the entire array securely in place without the need for drilling through your valuable roofing membrane. This method preserves the roof's integrity, prevents leaks, and simplifies the installation and potential future removal process. For environments where waterproofing is paramount, consider our specialized Waterproof Ballast Flat Roof Mounting System. For a universal, non-penetrating solution, our Non-Penetrating Solar Ballast Mount for Flat Roof is engineered for superior performance. Whether your project is on a concrete surface or a standard flat roof, we have tailored systems: the Ballast Flat Roof Mounting System for Concrete Roof and the versatile Ballast Flat Roof Mounting System for Flat Roof, designed to meet diverse structural requirements and wind load specifications.


The Solar Ballast Flat Roof Mounting System is engineered for durability, ease of assembly, and maximum energy yield. Constructed from high-grade, corrosion-resistant aluminum alloy, the framework is lightweight yet incredibly strong, capable of withstanding decades of harsh weather conditions. The system's modular design allows for rapid, tool-free assembly on-site, significantly reducing labor time and costs. Key components are pre-assembled, and the adjustable tilt legs enable precise panel angling between 5 to 15 degrees to optimize solar exposure based on your geographic location. The ballast trays are designed for efficient weight distribution, minimizing the point load on the roof while providing the necessary resistance against uplift forces from high winds. Each Solar Ballast Flat Roof Mounting System kit arrives with comprehensive installation instructions and all necessary hardware, ensuring a smooth and secure deployment for your solar investment.

Detailed Product Specifications:

  • Material: Premium 6005-T5 aluminum alloy with anodic oxidation finish.
  • Corrosion Resistance: Excellent resistance to salt spray and UV degradation.
  • Wind Load Rating: Certified to withstand winds up to 140 mph (subject to proper ballasting).
  • Roof Compatibility: Suitable for built-up roofing (BUR), EPDM, TPO, PVC, and concrete surfaces.
  • Installation: Non-penetrating, ballast-based. No roof drills or sealants required.
  • Weight per System: Approximately 4.5 lbs/ft² (22 kg/m²) including ballast.
System Model Panel Compatibility Tilt Angle Range Ballast Type Maximum Array Size
SB-FRM-01 Up to 72-cell modules 5° - 10° Pre-cast Concrete Blocks 20 panels in portrait
SB-FRM-02 Up to 78-cell modules 10° - 15° Integrated Ballast Trays 30 panels in landscape
SB-FRM-03 (Waterproof) 60-cell & 72-cell modules 5° - 12° Fixed Sealed Ballast Containers Custom configurations

Typical Ballast Requirements (PSF):

Wind Speed (mph) 5° Tilt 10° Tilt 15° Tilt
90 3.8 PSF 4.5 PSF 5.2 PSF
110 5.1 PSF 6.0 PSF 7.1 PSF
130 6.8 PSF 8.0 PSF 9.5 PSF

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