RESIDENTIAL BUILDING - FIREPLACE / STOVE

Special Note for Masonry Fireplaces: See accompanying Howard County Building Code, Figure R1003.1 and its corresponding Table R1003.1 for Masonry Chimney details.

• At the throat inspection, determine that required materials, thicknesses, and air space between the flue liner and the interior face of the masonry chimney wall are in place prior to starting up with the flues and the chimney.
• Ensure that the job supervisor and the mason are aware of the requirements for clearances to combustibles, and the termination dimensions outlined in the chimney details in the code.
• Determine that there is a proper chimney clean out in the chimney-only construction.
• Determine that the thimble is secure and does not extend beyond the wall of the liner.
• Ensure that the combustible concrete forms under the hearth have been removed.
• Determine that the adequately sized exterior combustion air supply is delivered through a listed combustion air duct, taken from below the firebox floor level and delivered to within 24 inches of the firebox opening on or near the floor.
• All masonry fireplace throat shall be parged smooth.

Factory-Built Fire Place and Chimney Inspections

• Determine that factory-built fireplaces and chimneys are listed, labeled, installed and terminated in accordance with the conditions of the listing and the manufacturers instructions.
• Ensure that the required floor-to-floor fire blocking is secure and tight.
• Ensure that clearances to combustibles are addressed.

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