H-rail is a key component in the PV racking system, which is mainly used to fix and support solar panels. Compared with the traditional C-type and U-type rails, H-rails are widely used in the photovoltaic industry due to their unique cross-section design and structural advantages.
With the advantages of high rigidity, easy installation and long service life, H-rail has become the preferred solution for PV racking system, especially suitable for large modules, high wind pressure and harsh environment projects. With the demand for large-scale modules and cost reduction, its market penetration will continue to improve.
Feature:
Higher load-bearing capacity: H-rails have an "I" or "H" shaped cross-section, and the double-rib design (upper and lower flanges + center web) significantly improves flexural strength and rigidity.
Wind/snow resistance: better stability in areas with strong winds and snow, reducing the risk of module deformation or bracket collapse.
Installation convenience: Most H-rails have prefabricated mounting holes when shipped from the factory, which reduces the workload of on-site drilling and improves the construction efficiency.
Strong compatibility: Adaptable to a variety of pressure blocks and clamps (e.g., side-pressing, center-pressing type), and flexible to match different module frame types (framed/frameless).
Modular splicing: Quickly extend the length of the rail through connectors to adapt to complex terrain or customized layout requirements.
Corrosion Resistance and Long Life: Usually anodized aluminum or stainless steel is used for oxidation and salt spray resistance (suitable for coastal/high humidity areas).
Structural sealing: H-shape closed section reduces internal water and dust intrusion, extending service life.
Installation location | Metal Roof |
Installation angle | parallel |
Applicable module type | Mono-crystalline, Poly-crystalline, Double wave and Thin film |
Module Orientation | Horizontal, Vertical |
Material | AL6005-T5 |
Warranty&Duration | 15 years&More than 20 years |
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