Clean the brick surface thoroughly
Repair any loose or damaged mortar joints
Apply a bonding agent suitable for masonry
Install a moisture barrier if needed
Attach metal lath securely over the brick
Mix concrete to a workable backsplash consistency
Trowel a scratch coat over the lath
Let the scratch coat cure
Apply a finish coat of concrete to the desired thickness
Smooth and level the surface
Create the desired texture or finish
Allow the concrete to cure fully
Seal the concrete backsplash with a masonry sealer