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XR Rail Family <br />The XR Rail Family offers the strength of a curved rail in three targeted sizes. Each size supports specific <br />design loads, while minimizing material costs. Depending on your location, there is an XR Rail to match. <br /> © 2014 IronRidge, Inc. All rights reserved. Visit www.ironridge.com or call 1-800-227-9523 for more information. Version 1.11 <br />Tech Brief <br />Rail Selection <br />The following table was prepared in compliance with applicable engineering codes and standards. Values are <br />based on the following criteria: ASCE 7-10, Roof Zone 1, Exposure B, Roof Slope of 7 to 27 degrees and Mean <br />Building Height of 30 ft. Visit IronRidge.com for detailed span tables and certifications. <br />Load Rail Span <br />Snow (PSF)Wind (MPH)4’5’ 4”6’8’10’12’ <br />None <br />100 <br />120 <br />140 XR10 XR100 XR1000 <br />160 <br />10-20 <br />100 <br />120 <br />140 <br />160 <br />30 100 <br />160 <br />40 100 <br />160 <br />50-70 160 <br />80-90 160 <br />XR100 <br />XR100 is the ultimate residential <br />mounting rail. It supports a range of <br />wind and snow conditions, while also <br />maximizing spans up to 8 feet. <br />• 8’ spanning capability <br />• Heavy load capability <br />• Clear & black anodized finish <br />• Internal splices available <br />XR10 <br />XR10 is a sleek, low-profile mounting <br />rail, designed for regions with light or <br />no snow. It achieves 6 foot spans, while <br />remaining light and economical. <br />• 6’ spanning capability <br />• Moderate load capability <br />• Clear anodized finish <br />• Internal splices available <br />XR1000 <br />XR1000 is a heavyweight among <br />solar mounting rails. It’s built to handle <br />extreme climates and spans 12 feet or <br />more for commercial applications. <br />• 12’ spanning capability <br />• Extreme load capability <br />• Clear anodized finish <br />• Internal splices available