The local factors behind gas line & b-vent conversion in Aurora
Two houses on the same Aurora street, built the same year, can need completely different gas line & b-vent conversion work — and usually do.
Many Aurora properties were re-roofed at least once without the flashing being re-detailed, leaving a cosmetic seal doing structural work.
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 Kennedy Street West, Regency Acres, Aurora Heights, Aurora Highlands and Bayview Northeast, 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.
the practical takeaway is that a gas line & b-vent conversion 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.

