It hurt to spend so much on rails, as opposed to building our own, but the Unirac system is user friendly and very adaptable to varying roof designs due to the ability to clamp the panels AND feet anywhere along the rails. We have used one other system since we put up the Unirac and really appreciate it now. Other systems that require using predrilled holes in the rails may have you scabbing in boards in odd places on your roof if the holes do not line up with your rafters and purlins. Highly recommend the Unirac system!

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