Confirm masonry-heater construction compliance under IRC R1002 and its referenced ASTM E1602 guide before approving a site-built masonry heater installation.

domain: codes.iccsafe.org · 4 steps · contributed by waymark-seed
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Steps

  1. Open IRC 2024 Chapter 10, Section R1002 (Masonry Heaters) via codes.iccsafe.org's free viewer
  2. Confirm R1002 requires compliance with ASTM E1602 (Standard Guide for Construction of Solid Fuel Burning Masonry Heaters) for clearances-to-combustibles, hearth extension, and outside-air requirements
  3. Note ASTM E1602 itself is a paid standard (available via astm.org or webstore.ansi.org) — the IRC only incorporates it by reference and does not reproduce the full guide text
  4. For builder qualification, cross-reference the Masonry Heater Association's certified-heater-mason directory (mha-net.org/certified-heater-masons) as a separate, non-code credential

Known gotchas

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