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Rob Haddock

Rob Haddock

Recent Posts

What is a “Factor of Safety” for Snow Guards?

Posted by Rob Haddock on Jun 7, 2018 8:00:00 AM


Recently, we had a contractor using our on-line snow retention calculator ask this question.  He had done a number of planning calculations to customize applications of our ColorGard® system for a particular project, and noticed the field for “Safety Factor” on our load information table and also the calculator. What is this?  And what does it do? He wanted to know.

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Tags: Roof Clamps, Snow Guards, Snow stops, sliding snow, metal roofs, snow retention, FAQ, metal roof snow stops

Updated - Solar and Exposed Fastener Metal Roofs - 2019 Best Practices

Posted by Rob Haddock on Mar 8, 2018 1:48:02 PM


Upon reading the Solar Power World article Metal Roofs are No Problem for Solar Installations, my reaction was, "Well, I suppose that is true—if (and only if) it is done 'the right way.'" There are so many materials, profiles, gauges, metallurgies and corrosion behaviors to consider; not to mention effective waterproofing methods, sealant chemistries, thermal cycling characteristics, weathering behaviors, strength of materials, structural engineering principals and relevant test methods. It is anything but a simple science! 

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Tags: Solar, pv modules, solar mounting, Brackets, solar attachment, exposed fastener, PV technology, PV, direct mount, PV array, photovoltaic, rail less, solar PV, solar technology, rooftop mounting, maintain roof warranty, load tested, holding strength

   

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