IronRidge Brand Guide: XR Rails, FlashFoot2, and Complete Solar Racking Systems
IronRidge is one of the most recognized names in solar racking, trusted by residential and commercial installers across North America for its engineered rail systems, flashed attachments, and flat-roof ballasted solutions. As part of the Esdec family since 2019, IronRidge continues to innovate from its Hayward, California headquarters, offering a comprehensive portfolio that covers nearly every rooftop solar mounting scenario. This brand guide provides a detailed overview of IronRidge's product lines, certifications, warranty terms, and technical specifications to help contractors specify the right components for their projects.
At PES Supply, we stock 50,000+ SKUs from 169 authorized brands, including the full range of IronRidge racking components. Standard delivery is 7-10 business days. Browse our IronRidge collection to get started.
Company Overview
IronRidge was established to bring precision-engineered, code-compliant mounting systems to the solar industry. The company built its reputation on the XR Rail family—a curved-profile extruded aluminum rail that combines high strength-to-weight ratio with efficient installation. In September 2019, IronRidge was acquired by Netherlands-based Esdec Motion Group, joining Quick Mount PV and EcoFasten Solar under the same corporate umbrella. Despite the acquisition, IronRidge continues to operate as an independent business unit from its Hayward, CA headquarters, maintaining its own product lines, engineering team, and distribution channels.
IronRidge's market position is that of a premium racking leader, known for comprehensive design tools (the IronRidge Design Assistant), certified engineering letters for all 50 states, and a product ecosystem that spans flush-mount residential, flat-roof commercial, and ground-mount applications. The brand is particularly dominant in the residential pitched-roof segment, where its XR Rail and FlashFoot2 systems are industry benchmarks.
Current Product Lines
XR Rail Family
The XR Rail is the cornerstone of IronRidge's flush-mount system, available in three sizes to match different load conditions and span requirements. Each rail is extruded from 6000-series aluminum with a curved profile that maximizes structural strength while minimizing weight.
- XR10: Low-profile rail for regions with light or no snow load. Achieves up to 6-foot spans. Stock lengths: 11', 14', 17'.
- XR100: The flagship residential rail, supporting a wide range of wind and snow conditions. Maximizes span for fewer attachments. Stock lengths: 11', 14', 17'.
- XR1000: Heavy-duty rail for extreme climates and commercial applications. Spans 12 feet or more. Stock lengths: 11', 14', 17'.
FlashFoot2
The FlashFoot2 is IronRidge's flagship roof attachment for composition shingle roofs. It features a completely redesigned seal that is both elevated and fully encapsulated, protecting against water intrusion. The flashing profile minimizes interference with roofing nails, and alignment markers help quickly align the flashing with pilot holes. The integrated elevated seal design raises the waterproofing barrier above the roof deck, providing superior protection compared to traditional flat flashing plates.
Knockout Tile
The Knockout Tile is IronRidge's tile roof attachment solution, designed for concrete and clay tile profiles. It replaces a single tile with a flashed mounting base, eliminating the need to drill through tiles and providing a watertight seal. The system is compatible with flat, S, and W tile profiles.
XR Flat Mount (BX Ballasted System)
The IronRidge BX Ballasted System is designed for flat-roof commercial installations. Made of glass-reinforced composite, the BX Chassis is engineered for extreme structural loading while remaining roof-friendly and easy to install. The system delivers superior power density and design flexibility for flat-roof arrays, supporting various module orientations and tilt configurations.
Aire Rails
Aire Rails are a lighter-weight rail option compatible with the IronRidge flush-mount system, offering an alternative for low-load applications where maximum span is less critical.
UFO Universal Fastener
The UFO (Universal Fastening Object) is IronRidge's integrated mid-clamp and bonding hardware, combining module clamping and electrical bonding in a single component. It reduces parts count and installation time while maintaining UL 2703 listed grounding and bonding.
Recent Releases (2025-2026)
IronRidge has continued to refine its product ecosystem under Esdec ownership, focusing on installation speed and domestic content compliance. Recent developments include expanded domestic manufacturing capabilities to support the IRS Domestic Content Bonus Credit (DCBC) requirements, updated UL 2703 listings covering the latest high-wattage module form factors, and enhanced design software integration for streamlined permitting. The company has also expanded its Quick Mount PV integration, allowing IronRidge rails to be specified with Quick Mount PV QBase attachments in the same design workflow.
Certifications & Listings
IronRidge products carry the following certifications and listings:
- UL 2703: Mounting systems, clamping devices, and ground lugs for flat-plate PV modules. Covers grounding/bonding, mechanical loading, and fire classification.
- ASCE 7: Structural design compliant with ASCE 7-10 and ASCE 7-16 wind and snow load standards, with span tables for all US exposure categories.
- Class A Fire Rating: Certified with Type 1, 2, 3, and other module types for steep-slope applications.
- State Engineering Letters: Pre-engineered certification letters available for all 50 states.
- BABA Compliance: IronRidge's domestic manufacturing supports Build America, Buy America requirements for federally funded projects.
Warranty Terms
IronRidge offers a 25-year limited product warranty covering structural components against defects in materials and workmanship. The warranty covers the full structural integrity of rails, attachments, and clamping hardware. Anodized finish is covered under a separate finish warranty. The warranty is transferable to subsequent owners of the PV system, provided the products remain in their original installation location.
Popular Products at PES Supply
The following IronRidge models are among the most frequently ordered by contractors through PES Supply:
| Model | Category | Key Specs | Application |
|---|---|---|---|
| XR100 Rail (14') | Flush-mount rail | 6000-series aluminum, 14 ft length, curved profile | Residential pitched roof, standard wind/snow |
| XR1000 Rail (17') | Heavy-duty rail | 12+ ft spans, commercial-grade strength | Commercial flat/pitched roof, high snow load |
| FlashFoot2 | Roof attachment | Elevated encapsulated seal, 12" x 12" flashing | Composition shingle roof |
| Knockout Tile | Tile roof attachment | Tile replacement flashing, S/W/flat tile | Concrete and clay tile roofs |
| UFO Mid Clamp | Module clamp | Universal bonding, integrated hardware | All XR Rail flush-mount systems |
Technical Comparison: IronRidge vs. Competitors
IronRidge competes primarily with Unirac, SnapNrack, and Quick Mount PV in the residential racking market. The table below highlights key differences:
| Feature | IronRidge | Unirac | SnapNrack |
|---|---|---|---|
| Flagship Rail | XR100 (curved profile) | SolarMount Standard (extruded) | Ultra Rail UR-40 |
| Max Span (residential) | Up to 8 ft (XR100) | Up to 10 ft (Standard Rail) | Varies by load condition |
| Flashing System | FlashFoot2 (elevated seal) | Flashloc Duo (triple seal) | AnchorFoot (butyl seal) |
| UL 2703 Listed | Yes | Yes | Yes |
| UL 3741 Listed | Yes (select systems) | Yes (full portfolio) | Limited |
| Design Software | IronRidge Design Assistant | U-Builder 2.0 | SnapNrack Design Tool |
| Warranty | 25 years | 25 years | 25 years |
Installation Notes
Roof Type Compatibility
IronRidge flush-mount systems are compatible with all common residential roof types:
- Composition shingle: Use FlashFoot2 or L-foot with flashed standoff. Minimum 5/16" lag bolt, 2.5" embedment into rafter.
- Concrete/clay tile: Use Knockout Tile replacement flashing or tile hooks. Ensure tile profile compatibility (flat, S, or W).
- Standing seam metal: Use S-5! style seam clamps—no penetrations required.
- Flat roof: Use BX Ballasted System with optional roof attachments for high-wind zones.
Tools Required
- Drill (not impact driver) with 5/16" socket
- Torque wrench (rail hardware: 8-10 ft-lbs)
- Tape measure and chalk line
- Stud finder for rafter location
- 7/32" pilot bit for lag bolt holes
Span Tables
IronRidge span tables are published in the IronRidge Design Assistant and certification letters. Key span guidelines:
- XR10: Up to 6 ft span in light snow regions (under 30 psf).
- XR100: Up to 8 ft span in moderate wind/snow conditions.
- XR1000: Up to 12+ ft span for commercial applications and extreme loads.
- Cantilever: Maximum rail overhang is 1/3 of the span distance.
- Thermal breaks: Required for continuous spliced rail runs exceeding manufacturer limits; use 0.5" minimum gap.
Attachment Methods
IronRidge uses a rail-based attachment system where L-feet or flashed standoffs are bolted to rafters, and XR Rails are secured to the attachments with T-bolts or universal hardware. Modules are then clamped to the rails using UFO mid-clamps or end clamps, which provide integrated electrical bonding per UL 2703. The system uses only aluminum and stainless steel components for complete corrosion resistance.
Frequently Asked Questions
1. What is the difference between XR10, XR100, and XR1000 rails?
XR10 is the lightest rail, designed for regions with minimal snow load and achieving up to 6-foot spans. XR100 is the standard residential rail, handling most wind and snow conditions with spans up to 8 feet. XR1000 is the heavy-duty commercial rail, capable of spanning 12+ feet in extreme load conditions. The choice depends on your local wind speed, snow load, and roof geometry.
2. Does IronRidge provide engineering letters for permitting?
Yes. IronRidge provides pre-engineered certification letters for all 50 states, covering structural compliance with ASCE 7 wind and snow load standards. These letters are generated through the IronRidge Design Assistant software and can be downloaded as part of a complete project design package.
3. Is the FlashFoot2 compatible with all shingle roofs?
The FlashFoot2 is designed for standard composition/asphalt shingle roofs. It uses a 12" x 12" flashing plate that slips under the upper shingle course. For tile roofs, use the Knockout Tile system instead. For metal standing seam roofs, use seam clamps that require no penetrations.
4. What warranty does IronRidge offer?
IronRidge offers a 25-year limited product warranty on all structural components, covering defects in materials and workmanship. The warranty is transferable to subsequent system owners. Anodized finish coverage is provided under a separate finish warranty.
5. Can IronRidge rails be used with Quick Mount PV attachments?
Yes. Since both brands are part of the Esdec family, IronRidge rails are certified for use with Quick Mount PV QBase attachments. This integration is supported in the IronRidge Design Assistant, allowing installers to specify mixed-brand systems within a single design workflow.
Shop IronRidge at PES Supply
PES Supply carries the complete IronRidge product line, from XR Rails and FlashFoot2 attachments to UFO clamps and Knockout Tile systems. With 50,000+ SKUs from 169 authorized brands, we are your single source for solar racking, attachments, and BOS components. Orders typically arrive within 7-10 business days.
Browse all IronRidge products at PES Supply →
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Written by the PES Supply Editorial Team. Last updated July 2026.