Gas Fireplace Mantel Clearance Code

A clearance of not less than 8 inches 203 mm shall be provided between the gas tight capping slab of the heater and a combustible ceiling.

Gas fireplace mantel clearance code.

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. 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. Combustible materials and trim must be at least 6 inches from the firebox opening. National standard building code.

Also vent free gas fireplaces will have a much greater clearance. The code references are strictly for masonry fireplaces constructed to that code and do not apply to freestyle creations of architects and adventurous pyromaniacs. 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. The national fire code dictates that any combustible material e g wood mantel or similar trim must be at least six inches from the firebox opening.

B vented gas fireplaces usually have mantel requirements that will exceed this clearance. California building codes for fireplaces. 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. The icc though suggests at least 12 inches.

An additional inch of clearance is needed for every 1 8 inch the combustible material or trim protrudes. 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. Of a fireplace opening. 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. 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. 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. Note some fireplaces esp.