A 1/2-inch nylon all-thread rod, furnished eight inches long, is suspended through a four-inch roof panel to support a coil frame beneath. The upper assembly features a three-inch by three-inch aluminum plate with a Tinnerman nut retainer, sealed against the roof panel top surface. Inside the core penetration, the threaded rod passes through continuous sealant. Below the roof panel, the coil frame channel is secured with a nut and zinc-plated washer. Each hanger set includes four 1/2-inch nylon all-thread rods, four nuts with retainers, four aluminum plates, and four zinc-plated nut and washer sets.
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