// CODE SNIPPET
2113.19.1 Additional Requirements for Clearance
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- Trimmers shall be not less than 5 inches (127 mm) from the inside face of the concrete or masonry chimney wall. Finished flooring shall have at least 1/2 inch (13 mm) clearance from chimney walls.
- A clearance of at least 2 inches (51 mm) shall be provided between the exterior surfaces of interior masonry or concrete chimneys for all wood-burning appliances.
- No combustible lathing, furring, or plaster grounds shall be placed against a chimney at any point more than 11/2 inches (38 mm) from the corner of the chimney; but this shall not prevent plastering directly on masonry or on metal lath and metal furring nor shall it prevent placing chimneys for low-temperature equipment entirely on the exterior of a building against the sheathing.