The Truth About Snow Retention Set Screws Video
Round Tip (Competition) vs Cupped Tip (SnoBar/Colorbar)
There are a lot of rumors and myths regarding roof clamp set screws and how they attach to standing seam metal roofs. The competition has systematically made claims that the cupped tip set screws that the Snobar/Colorbar products use, scratch and gall the seams, thereby voiding the roof warranties and causing premature corrosion. This has been repeated in their marketing materials, website, AIA continuing education courses and in live seminars. Simultaneously, the competition also boast that they have a special "patented" round tip set screw that allegedly doesn't scratch the panel or harm it in any way, thereby "protecting the fragile paint finish" and warranty.
To answer this marketing hype, we have decided that it was time to actually test both types of set screws by installing them on the same test panels and evaluating the validity of their claims. We are going to answer the following questions with our testing:
1. Do cupped tip set screws actually expose bare metal to the elements thereby causing premature corrosion?
2. Do round tip set screws scratch the paint or expose bare metal to the elements?
3. How does the proper installation of either clamp effect the integrity of the seam?
After watching this video, what snow retention clamp would you want installed on your expensive metal roof?