| Knowing the pull-out value of fasteners is a good indicator of the durability of a metal roofing system as a whole — from the decking material, to the screws, to the clips and panels. On today’s Q&A Mondays episode, Josh Krohn from Triangle Fastener Corporation and Jeff Hock from Sheffield Metals join Thad to talk about how pull-out values are tested, how they are measured, how they relate to real-world applications, and more! Topics covered: ►What are pull-out values? 0:57 ►How does TFC get the final pull-out values? 1:55 ►What units of measurement are used? 2:18 ►What is the average pull-out value range for various materials? 3:11 ►How do pull-out values relate to wind speed? 3:39 ►How do pull-out values relate to SMI’s engineering? 4:16 ►Why are pull-out values important? 5:18 ►Where is Sheffield’s engineering and pull-out value info located? 6:23 ►Does it matter how deep a screw is embedded into a material? 8:53 Check out the fastener testing video here! |