Asphalt shingles remain the most popular roofing choice across Greater Vancouver and the Fraser Valley — and for good reason. They balance a fair upfront cost against a genuinely long service life when they’re installed properly, and the modern architectural profiles look sharp on everything from Vancouver Specials to new builds in Langley and Maple Ridge. As a tradesperson-run contractor, we treat a shingle roof as a complete system, not just the layer you can see from the street.
Choosing the right shingle
Not all asphalt shingles are created equal, and the product you pick has a real effect on how the roof performs in coastal weather.
- 3-tab shingles are the flat, economical entry point. They carry shorter warranties and lower wind ratings, which makes them a hard sell on exposed sites in the Sea-to-Sky corridor or along the Sunshine Coast.
- Architectural (laminate) shingles use multiple bonded layers for a dimensional look, heavier weight, and stronger wind resistance. This is what we install on the vast majority of homes.
- Premium and designer laminate profiles add thickness, longer warranty terms, and a more textured appearance that mimics shake or slate.
- Impact-rated (Class 4) shingles stand up better to hail and falling debris, which is worth considering at elevation or under heavy tree cover.
We’ll walk you through the trade-offs for your specific roof pitch, exposure, and budget rather than pushing a single brand.
A system built for coastal rain
The catch on the coast is moisture. A shingle roof is only as good as the system underneath it, and that’s where corners get cut on cheaper jobs. We almost always recommend a full tear-off over an overlay: stripping the roof to the deck is the only way to inspect the sheathing, replace any soft or rotten plywood, and start with a clean, flat surface. Layering new shingles over old hides problems and shortens the life of everything above.
On every tear-off we install:
- Synthetic underlayment across the full deck — lighter, tougher, and more water-resistant than old felt.
- Self-adhered ice-and-water membrane at the eaves, in the valleys, and around penetrations, where wind-driven rain and (at elevation) ice dams cause the most leaks.
- Properly formed flashing at chimneys, skylights, and wall transitions — step flashing and counter-flashing done right, not a bead of caulk hoping to hold.
- Matching ridge cap and sealed penetrations to finish the system.
Done this way, the roof is built to shed the heavy rain and gusty winters we get across the Lower Mainland.
Ventilation, moss, and reaching the warranty
Manufacturer warranties on architectural shingles commonly run 25 to 30 years, with premium lines reaching further. But a warranty number on paper means little if the roof can’t breathe. Trapped attic heat and moisture cook shingles from below and invite condensation, so balanced intake and exhaust — soffit venting paired with ridge or roof vents — is part of every install. If your attic airflow is marginal, our roof ventilation work corrects it before the new shingles go on.
The other coastal reality is moss. Our damp, shaded conditions are ideal for it, and left alone it lifts shingle edges and traps water against the deck. Keeping it in check with periodic moss treatment is the single most effective way to protect your investment and actually reach that warranty lifespan. And if you’ve already got a stained ceiling or a drip during the next atmospheric river, our roof repair and leak service can trace the source and put it right.
The result is a roof that handles our weather, looks good for decades, and is backed by honest, code-aware workmanship from start to finish.