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Posted by McElroy Metal ● Jan 28, 2015 3:45 PM

Panels formed, curved onsite for civic center re-roof

BOSSIER CITY, La., January 28, 2015 – How do you handle a monster job? You call in your own monster: “Archzilla” from McElroy Metal.

Panels formed, curved onsite for civic center re-roofThe original barrel roof on the Waxahachie Civic Center in Waxahachie, Texas, was improperly installed. Among the details that caused problems from the start were open laps, missing clips and back-water laps. After battling more than 70 leaks and experiencing a decline in business, the City of Waxahachie was faced with repairing water damage and solving the problems.

“The clincher came during a wedding,” says Brad Tolson, project manager for ECI Consultants of Duncanville, Texas. “There was a rainstorm and water leaked in and ruined the wedding cake.”

ECI Consultants strongly recommended installing metal roofing over the top of the old system, specifically, a symmetrical metal roofing system from McElroy Metal. “This is a building the City of Waxahachie is not going to sell anytime soon and we felt it was necessary to go with the Cadillac of roofing systems,” Tolson said. “Installing metal over the top was the easiest and most efficient method of solving the problems. It’s going to last 50 years. Aesthetically, it looks great.”

The larger main barrel roof section was roofed with McElroy Metal’s 238T panel, a 2-3/8-inch high, two-piece, mechanically seamed symmetrical metal panel. The smaller barrel roof sections were topped with the company’s 138T panel, a similar profile, but 1-3/8-inches high. The 138T panels were installed on the smaller roofs because the 238T could not be curved to that radius.

Symmetrical standing seam systems have matching left and right legs, as opposed to the traditional male and female legs. The panels are joined with a mechanically seamed cap, which more easily allows for single-panel replacement if a single panel is ever damaged. The matching legs allow for installation to be completed in either direction or from the center out. The full length panels also allow for expansion and contraction in both directions. The system is quickly becoming a popular way to retrofit a metal roof.

Enter Archzilla. Archzilla is a roll former attached to a scissors lift that elevates the roll former to the eaves. The panels – more than 115 feet long on the Waxahachie Civic Center – run off the machine at the eaves, where installers are ready to carry them over the peak to the opposite roof edge. Panels that long require 15-20 workers to safely handle and place the new roofing, even in the best conditions.

“We’re in Texas, so we get wind,” says Jake Miller, vice president of production at BRI Roofing in Haslet, Texas. “There were days it was too windy to carry those panels around on the roof. It’s not safe for the workers and the panels can get damaged in the wind.”

BRI Roofing was up to the challenge of installing the barrel roofs. The only on-the-fly change was to add backer rods to the substrate under each panel to mitigate the appearance of oil canning on the barrel roofing. The result was a properly installed and aesthetically pleasing – and leak-free – metal roofing system.

“We feel it’s the best re-roofing system out there,” Tolson says. “You can re-roof without tearing everything up. It’s a great over-the-top install.”

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About McElroy Metal

Since 1963, McElroy Metal has served the construction industry with quality products and excellent customer service. The employee-owned components manufacturer is headquartered in Bossier City, La., and has 14 manufacturing facilities across the United States. Quality, service and performance have been the cornerstone of McElroy Metal’s business philosophy and have contributed to the success of the company through the years. As a preferred service provider, these values will continue to be at the forefront of McElroy Metal’s model along with a strong focus on the customer.

Topics: Metal Roofing, Recover and Retrofit, Standing Seam Systems, Onsite Rollforming, Commercial, Case Study, 238T Metal Over Metal, 138T Metal Over Shingles

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