Before the tile can be placed cement board must be installed.
Using cement board for fireplace surround.
Homes with outdated brick fireplaces can be brought up to date with a new tile fireplace surround.
You will need to paint the surface of the inside walls of the recess and one side of the cement board with a pva mix 3 water to 1 pva.
Fire ratings the hardiebacker board is made with a quarter inch thickness so that it can serve as fireplace facing.
Achieving a paintable fireplace surround with cement board if paul says hardiebacker then i d trust him.
If you do this you have to countersink the holes in the board and use thunderbolts with tapered heads.
Expanded metal mesh two coat stucco over top scratch and finish use play sand or another fine sand for a better finish and then prime paint.
The fireplace manual should specify how far around it you need fire resistent typically cement board or steel board typically it is only for the top.
Cement board on the fireplace surround.
It can be used as part of a hour long fire wall which is a wall that can resist a fire for up to an hour.
An old fireplace can be an eyesore.
I also like the stucco idea.
I d use at least a foot of cement board to be safe if you can t find the spec.
However using fiber cement board like hardieboard is acceptable in locations including the mantel and fireplace surround.
After some research and looking online for inspiration i decided to use a piece of metal schluter for the edges on the inside of the fireplace.
Once i figured out to add cement board to the fireplace surround i was a little worried about the edges of the cement board showing when it was installed.