Products

Solar Ballast Mounting System for Flat Roof

For flat roof solar installations, a robust and waterproof mounting solution is paramount. Our Waterproof Ballast Flat Roof Mounting System is engineered to provide superior protection against the elements while ensuring a secure, non-invasive installation. Designed specifically for flat surfaces, this system eliminates the need for roof penetrations, preserving the integrity of your roofing membrane. This makes it an ideal, low-maintenance choice for commercial and residential properties alike. If your project requires a completely non-penetrating solution, our specialized mounts offer unparalleled reliability without compromising your roof's waterproofing. For installations on concrete substrates, our dedicated Ballast Flat Roof Mounting System for Concrete Roof provides enhanced stability and load distribution. Ultimately, our core Ballast Flat Roof Mounting System for Flat Roof represents the industry standard for safety, durability, and ease of installation across various flat roof types.


The Solar Ballast Mounting System for Flat Roof is meticulously designed with precision-engineered components to withstand harsh environmental conditions, including high winds and heavy snow loads. Its modular design allows for flexible array layouts and simplifies both installation and future maintenance. The system utilizes high-density concrete ballast blocks, strategically placed to provide the necessary weight for security without exceeding the roof's load-bearing capacity. All aluminum and stainless-steel hardware are corrosion-resistant, ensuring a long operational lifespan with minimal upkeep. The adjustable tilt feature enables optimal solar panel angling to maximize energy capture throughout the year, making it a highly efficient and cost-effective foundation for any flat roof solar project.

Key Product Specifications

  • Material Construction: High-grade aluminum alloy (framing) & Stainless Steel (fasteners)
  • Ballast Type: High-density concrete blocks with integrated mounting points
  • Wind Resistance: Certified for up to 140 mph (225 km/h) wind loads
  • Snow Load Capacity: Designed to support up to 40 psf (1.9 kPa)
  • Tilt Angle Range: Adjustable from 5° to 15°
  • Roof Protection: Non-penetrating design; includes protective padding
  • Compatibility: Universal fit for most standard solar panel frames

System Components & Technical Data

ComponentMaterialFinish/CoatingKey Function
Main RailsAluminum 6005-T5AnodizedPrimary structural support for panels
Mid Clamps & End ClampsStainless Steel 304PassivatedSecures panels to rails
Ballast Trays/BlocksReinforced ConcreteStandard GrayProvides stabilizing weight
Adjustable LegsAluminum 6005-T5AnodizedSets and locks panel tilt angle
Rubber Foot PadsEPDM RubberBlackProtects roof membrane from abrasion

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