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Longboard Aluminum Siding in BC: Pros, Cons and Where It Shines

Longboard aluminum siding suits BC's wet coastal climate: woodgrain looks, non-combustible cladding, low maintenance. Pros, cons and best uses explained.

July 27, 2026 6 min readBy Mega Siding Exterior Ltd.
Longboard Aluminum Siding in BC: Pros, Cons and Where It Shines

Longboard aluminum siding gives BC buildings the warm look of cedar with none of the staining, rot, or fire risk that comes with real wood. It is a premium extruded aluminum plank with a woodgrain finish, and it performs exceptionally well in the wet coastal climate of the Lower Mainland. For soffits, feature walls, and multi-family projects where a non-combustible cladding is required, it is one of the strongest options we install.

What is Longboard siding?

Longboard is an architectural cladding system made from extruded aluminum planks. The planks are finished with either a solid colour powder coat or a woodgrain pattern that mimics cedar, fir, walnut, and other species. Panels come in several widths and can run horizontally or vertically, with matching trims, J channels, and corner details.

Because the planks are extruded rather than roll-formed from thin sheet, they are rigid, flat, and dimensionally stable. That matters on long wall runs and soffits, where thinner metal products can show waviness, a defect the trade calls oil canning.

At Mega Siding Exterior, Longboard is one of the core product lines we install across the Tri-Cities and Metro Vancouver, alongside James Hardie, Kaycan, Gentek, Mitten, and Cultured Stone.

Is aluminum siding good for coastal BC climates?

Short answer: yes, and it is one of the best cladding materials for our region. Here is why the coastal climate suits it.

It cannot absorb water

The number one enemy of BC exteriors is moisture. Wood swells, rots, and feeds mould. Even fibre cement needs careful detailing at cut edges. Aluminum simply does not absorb water. Installed over a proper rainscreen assembly, it sheds our long wet season without complaint. If you want the background on why rainscreen matters here, read our guide on what a rainscreen is and why BC needs it.

The finish holds up

Longboard's coatings are factory applied and baked on, so they resist UV fading, chalking, and salt air far better than site-applied paint or stain. There is no restaining cycle. For buildings near the water in Vancouver, Burnaby, or White Rock, that finish durability is a real advantage.

It stays stable through temperature swings

Aluminum expands and contracts with temperature, but the system is engineered for it, with concealed fasteners and movement allowances built into the trims. Correct installation is what keeps long runs looking crisp, which is one reason this is not a product for a general handyman to install.

Longboard vs real cedar: the honest comparison

Cedar is beautiful, and nothing fully replicates the way real wood weathers. But the comparison on the coast is lopsided in practice.

Where cedar wins

Cedar has authentic texture and can be refinished to change colour over the years. If a heritage look with genuine patina is the goal, wood is wood.

Where Longboard wins

  • No staining or sealing, ever. Cedar on the coast typically needs recoating every few years to stay protected.
  • No rot, no insect damage, no cupping or splitting.
  • Non-combustible, which cedar is not.
  • Consistent appearance across the whole elevation, with no knots or colour drift between boards.

Over a 20 to 30 year horizon, the maintenance gap between the two is enormous. Many of our clients who love the cedar look but not the cedar upkeep land on Longboard, or on James Hardie for a painted-wood aesthetic. Our siding guide for BC buildings compares the full range of materials if you are still weighing options.

Where Longboard shines: soffits, feature walls, and commercial work

You do not have to clad an entire building in Longboard to get value from it. In fact, most of the Longboard we install is used strategically.

Soffits and ceilings

Woodgrain Longboard soffit is one of the most popular architectural details in the Lower Mainland right now. Entry canopies, balcony ceilings, and roof overhangs finished in warm woodgrain aluminum instantly elevate a building. It pairs naturally with our soffit and fascia work.

Feature walls and accent bands

A Hardie or vinyl building with a Longboard feature wall at the entrance gets the premium look where it counts, while keeping the overall budget sensible. Architects use this mixed-material approach constantly on townhouse and mid-rise projects.

Commercial and multi-family buildings

For developers and strata councils, Longboard checks three boxes at once: durable, low maintenance, and non-combustible. On buildings where the BC Building Code restricts combustible cladding, woodgrain aluminum is often the only way to get a wood look at all. We install it regularly on renovation and construction packages across Coquitlam, Port Moody, and the wider Metro Vancouver area.

The cons: what to know before you choose Longboard

No material is perfect, so here is the balanced view.

  • It is a premium product. Material and installation sit at the higher end of the cladding market, which is why it is often used as an accent rather than a full wrap.
  • Dents are possible. Aluminum can dent from a hard impact, such as an errant ladder or a rock from a mower. Damaged planks can be replaced individually, but keep a few spares from your project.
  • Installation quality matters more than average. Thermal movement, fastening, and trim details need to be done to the manufacturer's specifications. Poor installs telegraph quickly on long, flat aluminum planks.
  • Repainting is not really a thing. The factory finish is the finish. That is a pro for maintenance but a con if you like to change colours.

Non-combustible cladding options in BC: how Longboard compares

Fire performance is an increasingly common driver of cladding choice in BC, both in dense multi-family zones and in wildfire interface areas of the Fraser Valley and Interior. The main non-combustible cladding families are:

  • Aluminum plank systems like Longboard, which give the wood look.
  • Steel and aluminum panel systems, more industrial in appearance.
  • Fibre cement such as James Hardie, which is non-combustible and budget friendlier, with a painted finish rather than metal woodgrain.
  • Masonry veneers such as Cultured Stone.

Many projects combine two or three of these. A common Tri-Cities townhouse spec is Hardie lap siding for the field, Cultured Stone at the base, and Longboard woodgrain at entries and soffits. We install all of these systems, so we can help you mix them cleanly with consistent flashing and exterior finishing details.

Frequently asked questions

Is aluminum siding good for coastal BC climates?

Yes. Aluminum does not absorb water, rot, or swell, which makes it well suited to the wet coastal climate of the Lower Mainland. Quality factory finishes resist fading and salt air, and the panels stay dimensionally stable through wet winters and dry summers.

Does Longboard siding look like real wood?

Longboard uses a woodgrain finish applied over extruded aluminum planks, and from a normal viewing distance it reads convincingly as cedar or fir. Up close you can tell it is metal, but the grain patterns and matte tones are far more realistic than older printed finishes.

Is Longboard a non-combustible cladding?

Aluminum is non-combustible, which is why Longboard is often specified where fire ratings matter, such as multi-family buildings, buildings close to property lines, and wildfire interface zones. Always confirm the specific assembly with your designer, since ratings apply to the full wall assembly, not just the cladding.

How much maintenance does Longboard aluminum siding need?

Very little. There is no staining or sealing cycle like wood. An occasional rinse to remove dirt and pollen keeps the finish looking fresh, and periodic checks of caulking and flashings are the same as any cladding. That low upkeep is a big part of its appeal for stratas and property managers.

Thinking about Longboard for your project?

Mega Siding Exterior Ltd. installs Longboard on homes, townhouses, and commercial buildings across Coquitlam, the Tri-Cities, Metro Vancouver, and the Fraser Valley. We are BC licensed, insured, WorkSafeBC compliant, and we back our installs with a written workmanship warranty. Contact us or call 778-901-0111 for a quote, and ask to see the woodgrain look on our recent BC projects.

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