East Gwillimbury conditions that change how roof moss & algae treatment is done
If you mapped our East Gwillimbury service calls on a calendar, you would see the same shape every year: the problems are created in February and paid for in November.
Many East Gwillimbury properties were re-roofed at least once without the flashing being re-detailed, leaving a cosmetic seal doing structural work.
Post-war subdivisions across York share the same construction generation, so when one street starts showing the same defect, the neighbours usually follow within a couple of seasons.
Across Queensville, Brownhill, River Drive Park, Holland Landing and Sharon, 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 moss & algae treatment 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.