This standard refers to a visible chimney extending from a fireplace or wood-burning appliance or any building that conveys combustion exhaust to the exterior. The following conditions are inspected under this standard:

  1. A damaged chimney or missing elements and its ability to function as intended are affected.
  2. Structural damage to a chimney. Examples of structural chimney failure include, but are not limited to:
  • Misalignment or detachment.
  • Leaning away from the building.
  • Collapsed or in imminent danger of collapse.
  • Holes
  • Bricks that are damaged, missing, or cracked such that smoke or combustion gases may not vent as intended
  • Failed lining (e.g., creosote leaching through brick).
  • For the purpose of this inspection, the ash cleanout should be considered as part of the firebox and therefore evaluated under this deficiency.

Def# Deficiency Severity Repair Due HCV Rating
1 Wood burning fireplace/appliance chimney is incomplete Life Threatening 24 Hours Fail
1 Wood burning fireplace/appliance chimney is damaged Life Threatening 24 Hours Fail
1 Failed lining (e.g., creosote leaching through brick) Life Threatening 24 Hours Fail
2 Chimney shows signs of structural failure on exterior of building Life Threatening 24 Hours Fail

Chimney Standard V3.0 Updated 6/16/23
Chimney Standard V3.0 Updated 8/11/23

Revision: 15
Last modified: 15 August 2023

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