Building Code Gas Fireplace Surround

National standard building code information.

Building code gas fireplace surround.

The firebox lining shall be encased with solid masonry to provide a total thickness at the back and sides of not less than 8 inches 203 mm of which not less than 4 inches 102 mm shall be of solid masonry or concrete. 2114 3 masonry built fireplaces 4114 3 10 all combustible mantels and similar trim shall be kept at least 6 inches from the fireplace opening. For a fireplace with a larger opening of more than 6 square feet the icc requires a hearth that extends 20 inches or more in front and 12 inches or more along the sides. A mantel must be at least 6 inches from the fireplace opening.

Parts of the mantel assembly located along the sides of the fireplace opening which project more than 1 1 2 inches 38mm from the face of the fireplace shall have additional clearance equal to the projection extension beyond 1 1 2 inches. 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. The hearth design must be. Local building codes take precedence over national and international codes but it s best if your fireplace meets or exceeds these standards.

These are usually based on the international building code standards along with standards set by the national fire code. 2114 3 10 all combustible mantels and similar trim shall be kept at least 6 inches from fireplace opening. Parts of the mantel assembly located along the sides of the fireplace opening which project more than 1 1 2 inches 38mm from the face of the fireplace shall have additional clearance equal to the projection. You ll want to familiarize yourself with your local building code for fireplaces.