Uh, this is a factory built fireplace. R1001.11 deals with masonry fireplaces. R1004 deals with factory built fireplaces and simply states to install per the listing. Most do Not require the normal 6" surround masonry fireplaces do.
Bob

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Keep the fire inside the fireplace!
IAFCI Regional Director & Certified Fireplace Inspector
Certified Master Hearth Professional & HPBA BoD