Unistrut Service Company


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S-5!’s snow fences feature clean lines, cylindrical shapes and a high-tech look that make them a favorite choice of architects and roof designers. Our SnoRail utilizes one Sno-Rod™ positioned just above the panel seams for maximum strength and minimal clutter.


Offered in aluminum or brass, our snow fences are designed to manage snow migration on standing seam metal roofing. Their clean lines, cylindrical shapes and high-tech appearance make these snow guards the favorite choice of architects and roof designers.


When snow accumulations begin to melt, the result can be catastrophic as the blanket of snow avalanches off the roof dumping tons of snow onto anything in its path. It can damage landscape, gutters, adjacent roofs, vehicles and cause injury or death to passers-by. SnoRail retention systems dramatically reduce these risks associated with rooftop avalanches, maintaining the clean lines of the roof and lasting as long as the roof itself! SnoRail can be designed and engineered on a site-specific basis.

Architects and roof designers agree: The clean lines, cylindrical shapes and high-tech look of our SnoRail systems present an attractive solution to snow retention problems! They function without cluttering the lines of the roof.

With up to six times the strength of adhesively-mounted devices, and without the high labor costs and inconsistencies of soldered snow guards, S-5!® offers the perfect, long term, dependable solution for traditional standing seam and sheet copper roofing.

SnoRail systems are mechanically attached with S-5-ASF and S-5-BSF aluminum or brass clamps utilizing our round-point setscrews—designed not to “pin” or “fix” the roof panels to the building, leaving thermal movement unrestricted. The clamps are precision-machined from aircraft quality materials, not cast or plastic. All related hardware is non-ferrous, compatible stainless steel or brass for lasting performance.

View S-5! Clamps commonly used with the SnoRail System. 

SnoRail Brochure

SnoRail Installation