HI CAN TOU HELP ME?? I HAVE A HORRID FIREPLACE MADE FROM BRICK. THE BRICK GOES INTO THE BOX OF THE CHIMNEY BREST AND THE FIRE IS INSIDE THERE TOO,IT THE TURNS INTO A MANTLE. ITS HORRID!!! MY QUSTION IS CAN I SMASH IT ALL OFF AND BRICK AND PLASTER IT READY FOR A NEW FIRE OR DO I NEED TO GET A PROFESI...