Whitby conditions that change how roof flashing repair is done
Homeowners in Whitby tend to call us at one of two moments: the week before guests arrive, or the week after something started smelling wrong.
Range hoods and basement bathroom fans routinely out-pull an older flue, so the house depressurises and the flue reverses — a Whitby problem that looks like a chimney fault but starts elsewhere in the building.
Infill and renovation work in Whitby frequently reroutes venting without re-sizing it, and undersized or over-long runs are the single most common cause of poor draft we see.
Across Pringle Creek, Rolling Acres, Port Whitby, Otter Creek and Williamsburg, 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 roof flashing repair 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.

