Flare-FF-50 framing example
The framing guides for each fireplace can be found under download center on the product page.
Metal studs are 2 inches away from the fireplace here. The minimum distance is 1/2 inch away from the fireplace.
Covered wood stud below non combustible line are 2 1/2″ away from the fireplace.
See the manual for more details on clearances.