I AM IN THE PROCESS OF BUYING AN OLD TERRACED HOUSE THAT NEEDS TO BE GUTTED.
ONCE I HAVE REMOVED ALL THE BLACK MORTAR FROM STONE WALLS IN MY NEW HOUSE, CAN I APPLY 12.5MM PLASTERBOARD BY DOT 'N' DAB METHOD. CEILINGS ARE APPROX 3 METRES HIGH SO SHOULD THE JOINTS BE STAGGERED AS FOR CEILINGS OR NOT.