1/2" ToughRock® Fireguard C® gypsum board applied at right angles to rigid furring channels 24”o.c. with 1" Type S drywall screws 12"o.c. Gypsum board end joints located midway between continuous channels and attached to additional pieces of channel 54" long with screws 12"o.c. Furring channels attached with 18-gauge wire ties 48"o.c. to open web steel joists 24"o.c. supporting 3/8” rib metal lath or 9/16" deep 28-gauge corrugated steel and 2 1/2"concrete slab measured from top of flute. Furring channels may be attached to 1 1/2"cold rolled carrying channels 48"o.c. suspended from joists by 8-gauge wire hangers not over 48"o.c. (Two hour restrained and unrestrained.)
***Assemblies are presented for illustration only. It is important that you consult a design professional for assembly information. Georgia-Pacific does not provide architectural or engineering services.***
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