The local factors behind smoke chamber parging in Hamilton
The difference between a $200 service call and a $6,000 rebuild in Hamilton is usually about eighteen months of ignoring a small symptom.
Many Hamilton properties were re-roofed at least once without the flashing being re-detailed, leaving a cosmetic seal doing structural work.
Wind loading off Lake Ontario pushes driving rain against the south and west faces of a house, which is why water entry so often shows up on one side of a Hamilton home and nowhere else.
Across Chedoke, Mountain, Meadowlands, Flamborough and Mount Hope, the housing stock changes street by street, and the correct method changes with it. A century home with a soft-brick stack does not get the same treatment as a 2010 build with a factory-built vent — using one method on both is how systems get damaged.
If you live anywhere near the Bruce Trail, the practical takeaway is that a smoke chamber parging visit should start with an assessment, not a tool. Any crew that begins work before telling you what they found is guessing on your behalf.