Gas Fireplace Mantel Clearance Code

Zero clearance manufactured fireplace information.

Gas fireplace mantel clearance code.

California building codes for fireplaces. Also vent free gas fireplaces will have a much greater clearance. Also any part of the mantel that sticks out more than 1 5 inches from the wall s face over the opening needs to be at least 12 inches from the top of the fireplace opening. An additional inch of clearance is needed for every 1 8 inch the combustible material or trim protrudes.

Your firebox wall needs to be 8 inches thick when lined with fire bricks or 10 inches thick without fire bricks. If your side panels jut out 2 inches from the facing an additional 2 inches of clearance will be needed from the fireplace opening to the sides of the mantel assembly. The code references are strictly for masonry fireplaces constructed to that code and do not apply to freestyle creations of architects and adventurous pyromaniacs. If your mantel extends more than an inch and a half out from the fireplace opening you should have more than a 6 inch clearance.

Of a fireplace opening. Builders and do it yourself masons in california must follow building codes when they plan to install a fireplace in a residential or commercial property. Note some fireplaces esp. Combustible materials and trim must be at least 6 inches from the firebox opening.

In addition if the side panels of your mantel project more than 1 1 2 inches from the fireplace facing you will need additional clearance equal to this projection. Exposed combustible mantels or trim may be placed directly on the masonry fireplace front surrounding the fireplace opening providing such combustible materials are not placed within 6 in. Mantel corbels and brackets attached along the sides of the opening must have additional clearance if they project more than 1 1 2 inches out from the face of the fireplace. Mantel brackets and corbels at the sides of the firebox opening require extra clearance if they project more than 1 5 inches outwards from the face of the fireplace.

The icc though suggests at least 12 inches. B vented gas fireplaces usually have mantel requirements that will exceed this clearance. National standard building code. Masonry heaters listed and labeled in accordance with ul 1482 or cen 15250 shall be installed in accordance with the listing specifications and the manufacturer s written instructions.