Description
Unirac NXT UMOUNT 185″ (15′) Mill Rail 185RLM1
The Unirac 185RLM1 is the standard NXT UMOUNT open-channel rail in a 185-inch (15-ft) mill-finish length. It’s part of Unirac’s UL 3741-certified NXT UMOUNT system and accepts the combo (mid/end) clamp, hidden end clamp, rail splice, and Stronghold attachments for fast, code-ready installs.
Key Benefits
System-Matched: Works with NXT UMOUNT combo clamp, hidden end clamp, and 6″ splice for quick assembly.
Lightweight Handling: Distributor/catlog pack data implies ~5.95 lb per 185″ rail (easy rooftop carry).
Clean Aesthetics: Low-profile extrusion with rounded lips; available in mill or dark finishes.
Special Technology
Open-Channel Rail: Click-in clamp interface speeds layout and reduces loose hardware.
Warranty
25-Year Manufacturer Warranty.
Best Uses
Pitched-Roof Arrays: Residential & light C&I projects using the NXT UMOUNT ecosystem (combo clamps, Stronghold attachments).
Specifications Table
| Specification | Data |
|---|---|
| Part Number | 185RLM1 |
| Rail Family | NXT UMOUNT (open-channel) |
| Length | 185 in (15 ft) |
| Finish | Mill (clear aluminum) |
| Profile Height | 1 11/16 in |
| Profile Width (base) | 1 3/4 in |
| Top-lip Opening | 7/8 in |
| Inner Channel Width | 1 5/16 in |
| Compatible Clamps | NXT Combo Clamp (mid/end), Hidden End Clamp |
| Splice | 6″ NXT UMOUNT Rail Splice (RLSPLCM2) |
| Approx. Weight (per piece) | 5.95 lb (derived from 1000 lb / 168 pcs pack) |
| Warranty | 25 Years |
About Unirac:
Unirac, headquartered in Albuquerque, NM, is a leading provider of innovative solar racking solutions. With a focus on performance, durability, and ease of installation, Unirac supports projects ranging from residential systems to large-scale commercial applications.





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