How do I deal with moss on a BC roof?

Kill it early and keep it from coming back: zinc or moss-control strips near the ridge, gentle removal by hand or soft brush once it's dead, and more sunlight if pruning can provide it. Avoid pressure washing — it strips the protective granules off asphalt shingles and shortens the roof's life more than the moss does.

Does wildfire smoke change my filter schedule?

Yes. During smoke events, a furnace filter loads up in weeks rather than months. Run the furnace fan to filter indoor air, check the filter after each smoke stretch, and keep spares on hand through summer in the Interior.

Homeowner guide · British Columbia

Home maintenance in British Columbia

On the BC coast, water is the whole maintenance story: months of winter rain feed moss on roofs, overwhelm neglected gutters, and rot any exterior wood that isn't kept sealed. Coastal homes need gutters cleaned more often than anywhere else in Canada, moss managed before it lifts shingles, and perimeter drainage taken seriously — while the drier Interior trades rain problems for wildfire smoke, heat, and real winters.

Gutter cleanings a coastal BC roofline realistically needs: 2+ per year
Left alone, it lifts shingle edges and shortens roof life: Moss
Interior BC's extra season: embers, vents, and defensible space: FireSmart

What to prioritize in BC

Coastal BC's rain arrives in volume and stays for months, so drainage capacity — not freeze protection — is the local obsession. The Interior is a different climate entirely: cold winters, hot dry summers, and smoke seasons that put furnace filters on a faster clock.

Clean gutters at least twice a year on the coast — before the fall rains and again after the conifers finish dropping needles.
Treat roof moss early with zinc strips or moss control; never pressure-wash asphalt shingles, which strips the granules that protect them.
Keep exterior wood — decks, trim, fences — sealed on a shorter cycle than the rest of Canada; coastal rot doesn't wait five years.
Watch perimeter drains and downspout connections; a failed drain shows up as a wet basement in November and stays wet until spring.
In earthquake country, strap the hot water tank — seismic restraint is standard practice on the coast and cheap insurance against a toppled tank.
In the Interior, add a wildfire pass: keep gutters and roof free of needles, screen vents against embers, and stock spare furnace filters for smoke season.

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Home maintenance in British Columbia — FAQ

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