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Metal Sales Manufacturing Corp. - Rogers, MN Plant Reroof

Roof Hugger, Metal Sales Team Up To Keep Plant Operational During Roof Retrofitting

Sometimes the decision to commit to installing a new roof is made for you.

The 25-year-old trapezoidal standing seam roof on the Metal Sales Manufacturing plant in Rogers, Minn., sustained hail damage during the summer of 2020. Initially, the plan was to tear off the damaged metal roofing and replace it with a new metal roofing system. In an effort to avoid a stoppage in production, further discussion led Metal Sales to install Roof Hugger sub-purlins on the damaged roof and attach a new metal roofing system to those sub-purlins.

“The disruption of production for several months was not an option,” said Kevin Roehl, Production Manager at Ebert Companies. “Using the Roof Hugger system allowed operations in the facility to continue normally during the re-roof.”

Roof Hugger was charged with providing a structurally correct framing system to properly support the Seam-Loc 24 standing seam metal roofing and trims from Metal Sales. Retrofitting existing roofs installed using tall clips presents a special challenge since the panels “float” one inch or more above the existing purlins. Roof Hugger created, tested and patented a unique sub-purlin system specifically designed for these panels that controls positive, negative and rotational forces.

Ebert Companies installed 25,450 linear feet of Roof Hugger’s Model-T sub-purlins on top of the existing roofing. The 16-gauge, 50 ksi, G-90 galvanized Model-T sub-purlins were designed and tested for existing metal roofs mounted on tall clips as well as special stand-off fasteners for the structurally correct attachment of the Huggers to the structure, standard fasteners for joining the Huggers to each other and attaching the other structural components and 16-gauge structural hat channels in various heights. Metal Sales chose a 24-gauge bare Galvalume Seam-Loc 24 roof panel (105,000 square feet) with Ocean Blue flashing and trim.

The one issue Ebert ran into during the re-roofing process was replacing the existing smoke hatches that were not curb mounted. Ebert purchased and installed new curbs and curb-mount smoke vents from LMCurbs, a manufacturer of roof curbs, roof hatches and skylights.

“Everything turned out very well,” Roehl said. “We were able to leave the existing roof in place and not cause any disruption to their production area and not have to worry about keeping the facility dry if we would have removed the existing roof. The owner also noted that the insulation added between the roofing systems helped keep the facility warmer during the winter months.”

Metal Sales is considering the option of adding photovoltaic panels to the roof in the future to help reduce or even eliminate electrical costs. The Roof Hugger sub-purlins and Metal Sales metal roofing are engineered to handle that load.

Installer: Ebert Companies, Corcoran, Minn.

Completion Date: December 2022

About Metal Sales Manufacturing Corporation

Metal_Sales_logoMetal Sales Manufacturing Corporation is a premier nationwide provider of metal panels for the commercial, agricultural and residential construction industries. Metal Sales inspires construction professionals and building owners with design solutions that offer a longer life cycle, lower maintenance and higher resale value than traditional building materials. With one of the industry's largest and most knowledgeable sales and technical support team, Metal Sales has the expertise to address today's challenges in high-performance, sustainable and Net-Zero building. Metal Sales has outreach around the world, delivering outstanding roof, wall and fascia metal panels from its 21 facilities throughout the U.S. For more information, visit https:metalsales.us.com.

About Roof Hugger

roof hugger logoRoof Hugger notched sub-purlins enable replacement of new metal roof panels over an old metal roof. They can be used over screw-down or standing seam roof systems and can accommodate new standing seam or screw-down panels. Roof Huggers also maintain integrity of original design loadings; achieve "thermal break" air space between old and new roof sheets; allow for optional insulation; and are laboratory and load tested—with certified load charts. For more information on metal-over-metal retrofit re-roofing, contact Roof Hugger at 800-771-1711 or visit www.roofhugger.com.

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