Alex Prothmann

fully licensed 308A sheet metal trainer

Alex Prothmann, a fully licensed 308A sheet metal trainer, will present Low-Slope Detailing Workshop (1-5 p.m., Tuesday, Oct. 21) in a hands-on format to expose attendees to basic level low-slope details and transform the perspective on sheet metal possibilities and how it applies to a roof. “Low-slope detailing needs to be able to retain water effectively enough for slow-draining water to make its way down the roof avoiding pitfalls such as capillary action,” Prothmann says. “Water on steep-slope is pulled on by gravity enough to cascade water effectively down the roof at a rate that makes it possible for steep-slope details. “I want everyone to realize that there are more possibilities with metal roofing than they originally thought. It’s important to focus on proper detailing because water doesn’t flow fast enough for effective water shed.”

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