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Product New Main Tabs - Overview / Tech Support

Key Benefits

There are many impressive features on the GMS.


Superbly crafted and user friendly.


The finest materials, superior customer service and a 20 year warranty.

Assemble, Don’t Build

The expediency of prefabricated sub assemblies means no field cutting, drilling, or welding is required.

Unmatched Flexibility

Accommodates the vast majority of PV modules and is easily installed in any foundation type.

Wind Tunnel Tested

Innovative wind tunnel testing validates that the GMS can accommodate wind speeds up to 150 mph.


A light gauge, yet powerful, steel structure will
provide you with a low material cost, while Unirac
innovations around project construction,
pre-assembled components and module
pre-panelization, provide you with an
extremely low total installed cost.

Top Chord

All mounting hardware, such as top chords and U-clamps, is galvanized to meet the specific site conditions. More cost effective than stainless steel, these galvanized components comprise the most versatile and adaptable ground mount system available.

Beam Clamps

GMS comes with pre-assembled beam clamps, enabling quick installation of the pre-panelized module rows on the the Top Chords.


The best materials, quality craftsmanship and innovative design, couple that with the support of a team of muti-disciplined engineers and project managers on every project, and topped off with a limited 20 year warranty. Put any concerns to rest, we have you covered.

On-Time Delivery

No waiting. Our goal is simple: Consistently deliver solutions and services correctly, efficiently and dependably to exceed your expectations. Our world-class operations provide a 99% on-time delivery to help you meet your commitment dates.

Certified Quality Provider

Unirac is the only PV mounting vendor with ISO certifications for 9001:2008, 14001:2004 and OHSAS 18001:2007, which means we deliver the highest standards for fit, form, and function. These certifications demonstrate our excellence and our commitment to first class business practices.

Tested, Then Tested Again

Each and every GMS we sell has been through a rigorous quality control process, ensuring your system works from day one.

Bankable Warranty

As a Hilti Group Company, Unirac has the financial strength to back our products and reduce your risk. Have peace of mind knowing you are receiving products of exceptional quality. GMS is covered by a 20-year manufacturing warranty on all parts.