CSI MasterFormat · Division 04 Masonry
04 57 00 Masonry Fireplaces
Site-constructed masonry fireplaces and chimneys per IRC Chapter 10.
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The CSI MasterFormat code for Masonry Fireplaces is 04 57 00, in Division 04 (Masonry). It is most often checked against IRC Chapter 10 — Chimneys and Fireplaces.
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