Central Georgia Technical College, Warner Robins, Ga.
RETROFIT TEAM
ROOF CONSULTANT: Edifice Consulting Inc., (478) 954-3971
ARCHITECT: Azar + Walsh Architects
ROOFING CONTRACTOR: McCallum Metal Works, (478) 935-2482
MATERIALS
Aging roofing and poor details on four adjacent campus buildings were beyond another temporary repair job. Most of the roofing—a mix of modified bitumen with aluminum coating and some existing metal sections—was simply old and had weathered to the end of its useful life. After approximately 10 years of patching the problems, the college wanted a permanent solution and elected to re-cover the existing roofing with 238T symmetrical standing-seam panels from McElroy Metal.
“The system chosen was in our client’s best interest in this particular application because the shape and slope of the building made continuous-run panels practical and cost-effective,” says Jody Usry of Edifice Consulting Inc. “It could also be installed over existing sections covered with modified bitumen and sections already covered with metal roofing.”
Usry says the existing roof system, because of age and workmanship, was substantially under-attached to the cementitious wood fiberboard decking. The metal option, unlike other systems, made it practical to leave the poorly attached roof systems in place and attach exclusively to the steel framing, which reduced expense, construction time and risk exposure.
“The slope of the roof made it visible from grade and the metal roof improved the aesthetics of the campus, giving a fresher and more modern look to an otherwise rather dated complex,” Usry says. “The symmetrical panels allow for the practical modification of the roof planes for changes in projections in the future and isolated repairs in the event of damage. Also, the high amount of wall surface integrated into the overall facility made an all-inclusive system of roof and wall panels from a single source practical and attractive. The system chosen facilitated the detailing of the deteriorated masonry parapet walls between the sections.”
The peak of one slope of roofing ran higher than the other, which created a wall with windows and ventilation facing the slope that didn’t run as high.
“It wasn’t an easy job for anyone involved with the project,” says Kevin Walsh, principal and project manager, Azar + Walsh Architects. “The school started with a budget of about half of what they ended up spending. Once they saw what we wanted to do, they decided to find the money and do the job right. School was in session, so everyone had to work around that.”
Working around classes and students, McCallum Metal Works installed 77,000 square feet of McElroy Metal’s 238T symmetrical standing- seam metal roofing over Roof Hugger sub-purlins and 7,800 square feet of McElroy’s Wave panel. The panels were finished in Sherwin-Williams’ Fluropon PVDF Medium Bronze.
METAL ROOFING MANUFACTURER: McElroy Metal
SUB-PURLINS MANUFACTURER: Roof Hugger
COATING MANUFACTURER: Sherwin-Williams
PHOTOS: McElroy Metal