Fort Jackson Commissary Fort Jackson, S.C.
Roofing contractor: Southeast Roofing Solutions, Statesboro, Ga.
Sub-purlins manufacturer: Roof Hugger Inc., Lutz, Fla.
Metal roof manufacturer: Morin, Bristol, Conn.
Underlayment manufacturer: Carlisle WIP Products, Carlisle, Pa.
Factory-notched sub-purlins permitted the installation of a new metal roof without removal of the old metal roof. The sub-purlins were manufactured to nest directly over the existing 24-inch-wide by 3-inch-high trapezoidal standing seam. Their special height enabled rigid insulation fluted fillers and a continuous 1-inch polyiso cover board with a WIP 300HT water and ice protection underlayment to be installed. A 24-gauge SLR-16 vertical rib standing-seam metal roof was installed over the insulation and sub-purlins.
Because the commissary had an existing metal roof that had reached the end of its service life, the roofing contractor elected to recover the building’s roof using specially fabricated steel. The crew was able to increase the roof assembly’s thermal resistance (R-value), which consequently will reduce energy consumption, helping Fort Jackson to reach its federal energy mandates. The well-executed project was completed on time and within budget.
PHOTO: Roof Hugger Inc.
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