Does my chimney stack need repairing or rebuilding? Even if the brickwork on your house is in good condition you should inspect your chimney stack for signs of wear. The mortar pointing in-between the brickwork on your chimney stack can begin to crumble and crack over time because of the constant weather exposure. Rain, wind, snow, frost and even the sun all play a part in the health of your chimney! Worn mortar joints open areas between the bricks and allow moisture to get into the chimney, this leads to the possibility of chimney collapse and expensive chimney repairs. Repointing a chimney is a common repair for the homeowner and isn’t usually ...