how far away from gas fireplace opening must wooden mantle be installed?
i want to add a more elaborate wooden mantel to my brick, gas fireplace. it is vented to the outside. i also want to install a tile border around fire box and then install the wood mantel around the tile. i havej just a simple mantle across the top at present. i want to up date and add vertal side pieces to it. i have 6 3/4" on each side to work with and 15 1/4" between bottom of mantle and firebox. where can i find this info.?
