What makes smoke chamber parging in Niagara-on-the-Lake its own problem
Homes in Niagara-on-the-Lake rarely fail all at once — they fail slowly, through one heating season at a time.
Air-sealing and window upgrades have made Niagara-on-the-Lake homes far tighter than they were designed to be, and a tight house starves a natural-draft appliance of the make-up air it needs.
Snow load and ice damming stress the roof-to-wall junction each winter; by spring the sealant that was doing the work has usually torn.
Across St. Davids, Chautauqua, Garrison Village, Randwood and Glendale, 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 Shaw Festival, 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.

