Minimum Masonry Opening, Clearances To Combustibles, And Floor Protector - Osburn OB01601 Owner's Manual

6. ADJACENT COMBUSTIBLES: The fireplace should be inspected to make sure that
there is adequate clearance to combustibles, both exposed combustibles to the top,
side, and front as well as concealed combustibles, in the chimney and mantle area.
Your local inspector should have information on whether older fireplaces are of
adequate construction.
7. OPENING SIZE: Refer to "Suitable Fireplace Dimensions" for suitable size fireplace
openings.
8. The flue pipe must not go through roof trussing, an attic, a wardrobe, a floor, a
combustible partition, or similar spaces.
9. A flue pipe crossing a combustible wall must have a minimum clearance of 18".
10. To reduce flue pipe clearances from combustible materials, contact your local safety
department.
MINIMUM MASONRY OPENING, CLEARANCES TO COMBUSTIBLES, AND
FLOOR PROTECTOR
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