CSI MasterFormat · Division 04 Masonry

04 57 00 Masonry Fireplaces

Site-constructed masonry fireplaces and chimneys per IRC Chapter 10.

See the assemblies, products and code sections for this spec: free for 14 days, no card required.Sign inStart free trial
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.

The full text is for BuildSpec members

Read the complete section, search across every adopted code, run the calculators and ask Copilot — free for 14 days, no card required.

  • Fire-rated assemblies that satisfy this section
  • Products and manufacturers in this section
  • Insert into a project specification
Start your free 14-day trialSign in →

Our previews are real data — live counts, no placeholders. We publish our error log →