Guide

Residential structural steel in Vancouver, beams, columns, additions

Every week, a homeowner or contractor in Metro Vancouver calls our Douglas Road shop in Burnaby with some version of the same question: can steel do what wood can't? The answer is almost always yes. Steel beams carry heavier loads over longer spans in shallower depths than lumber or engineered wood. Steel columns take up less floor area than timber posts. And steel connections, when detailed properly for Vancouver's seismic zone, provide a level of structural reliability that wood-frame construction alone cannot match.

This page covers the residential structural steel work we fabricate and install across Metro Vancouver, from single-beam wall removals in Kitsilano character homes to full steel frames for new builds in Point Grey and laneway houses throughout the city. The focus is on what steel actually does in a residential context, how the process works, and what you need to know before the first beam shows up on site.

Load-bearing wall removals, the most common residential steel job

Removing a load-bearing wall to open up a floor plan is the single most frequent reason homeowners call a structural steel fabricator. The wall comes out; a steel beam goes in to carry the load that the wall was handling. Simple in concept, but the engineering matters.

The beam has to carry everything above it, floor joists, walls on upper floors, roof load, and transfer those loads down through columns to the foundation. In a typical Vancouver special or character home on the West Side, that means a W8 or W10 wide-flange beam spanning 14 to 20 ft, supported on HSS columns that bear on the existing foundation or on new concrete pads. The engineer sizes the beam based on the tributary load area and the span, specifying the section per CSA S16 design rules.

Where steel outperforms LVL (laminated veneer lumber) on these jobs is depth. A W10×26 steel beam is 10.3 inches deep and can handle loads that would require a 14-inch or 16-inch LVL. When headroom is tight, and it almost always is in older Vancouver homes with 8-ft ceilings, those 4 to 6 inches of saved depth make the difference between a comfortable room and one where you duck under a bulkhead.

Home additions and second-storey steel

Adding a second storey to a single-storey home, or extending the footprint with a new wing, often requires structural steel at the transition between old and new. The existing wood frame was sized for the loads it was built to carry. Adding another storey changes the load path, and steel beams and columns provide the capacity that the original framing lacks.

A typical second-storey addition on a 1960s rancher in Burnaby or Coquitlam involves steel beams at the new floor level, carrying the new floor joists and the roof above, plus steel columns running down to new footings. The steel package might be four or five beams and six to eight columns, totalling 1 to 3 tonnes of fabricated steel. We cut, drill, and weld everything at our shop, prime it, and deliver it sequenced for the framing crew's install order.

The coordination point that trips up projects: the steel has to be on site before the framer needs it, and the framer can't proceed until the steel is set and the engineer has confirmed the connections. We build 2 to 3 weeks of fabrication lead time into the schedule after stamped drawings are in hand, and we sequence delivery to match the framing plan. On a well-coordinated addition, the steel shows up the morning the framer needs it and goes in the same day.

Laneway houses and coach houses

Vancouver's laneway housing program has put steel into hundreds of small residential structures across the city. Laneway houses are compact, typically 750 to 1,000 sq ft, but architects push the geometry hard to maximize usable space. That means open floor plans with minimal interior walls, tall ceilings relative to the footprint, and roof structures that cantilever or span further than conventional wood framing can handle alone.

Steel in a laneway house usually shows up as a ridge beam (replacing a conventional ridge board and allowing the elimination of ceiling joists for a vaulted space), one or two floor beams to open the main living area, and columns at the corners of any large window walls. The steel tonnage is modest, often under a tonne, but the fabrication has to be precise because the framing tolerances are tight and the steel is frequently left exposed as an interior design element.

We've fabricated steel for laneway houses in Dunbar, Riley Park, Renfrew-Collingwood, and across East Vancouver. Each neighbourhood has its own lot geometry and setback constraints, but the steel scope follows a similar pattern. The architect's drawings define the steel locations; the engineer sizes the sections; we fabricate and deliver.

Carport and garage structures

A steel-frame carport or detached garage is a straightforward structural steel project that gives the homeowner a durable, low-maintenance structure with clear-span capability that wood posts and beams struggle to match. A two-car carport needs roughly 20 ft of clear span, easy for a pair of W10 beams on HSS columns. A single-car with a storage mezzanine above needs the same beams plus floor framing for the mezzanine load.

Exterior steel in Vancouver means rain, and rain means corrosion protection. Carport and garage steel gets hot-dip galvanized per ASTM A123 before it leaves our shop, or it gets a duplex system, galvanizing plus powder coat, for a finished appearance with full corrosion resistance. The galvanizing alone provides 50+ years of protection in the Metro Vancouver coastal environment. More on canopy and overhead structures on the canopy structures page.

Seismic retrofit steel

Vancouver's older housing stock, pre-1970s homes built before modern seismic codes, is vulnerable in an earthquake. The BC Building Code doesn't require existing homes to be retroactively upgraded, but many homeowners undertake seismic retrofits voluntarily, especially during renovations. Steel plays a direct role in these retrofits.

The most common seismic retrofit steel scope is a braced frame or moment frame added to a soft-storey condition, typically a house with a garage or carport at ground level and living space above. The open front of the garage creates a weak link in the lateral load path. Steel braces or a moment-connected steel frame stiffens that storey and transfers earthquake loads down to the foundation. The steel package is usually compact, two or four braces, connection plates, anchor bolts, but every connection has to be detailed for the seismic demand, which means C.W.B. certified welding and engineered connections per CSA S16.

We also fabricate steel hold-down hardware, shear transfer plates, and foundation connection plates for seismic retrofits that use a combination of steel and plywood shear walls. The steel components are small but structurally critical, they're the hardware that keeps the house connected to its foundation during shaking.

Engineer coordination, how the process works

On residential projects, the structural engineer is the authority on what gets built. The engineer produces the structural drawings, sizes the steel, details the connections, and stamps the package. We fabricate to those drawings. But the coordination between engineer and fabricator matters, and it's where projects either run smoothly or stall.

Here's how a typical residential steel project flows through our shop:

1. Initial scope and site visit. We review the project, architect's drawings, sketches, or just a conversation about what the homeowner wants, and determine what steel is needed. If there's no engineer yet, we recommend one.
2. Engineering. The engineer produces structural drawings with steel sizes, connection details, and loading criteria. This takes 1 to 3 weeks depending on the engineer's workload and the project complexity.
3. Shop drawings. We produce detailed fabrication drawings from the engineer's structural drawings, showing every cut, hole, weld, and connection plate. The engineer reviews and stamps these.
4. Fabrication. Steel is cut, drilled, welded, and finished at our Burnaby shop. All structural welding is done by C.W.B. certified welders under CSA W47.1. Fabrication runs 2 to 3 weeks for a typical residential package.
5. Delivery and installation. Steel arrives on site primed and ready. Beams are set by crane or hand-carried depending on access and weight. Columns are plumbed, base plates are grouted, and connections are completed. A framing inspection follows.

The whole cycle from first call to installed steel runs 4 to 10 weeks, depending on engineering complexity and permit timelines. The fastest jobs are single-beam wall removals where the engineer has a standard detail and the beam is a stock section, those can go from signed quote to installed steel in three weeks.

Vancouver neighbourhood context

Residential steel work in Metro Vancouver is shaped by the housing stock in each neighbourhood. The work is different in Shaughnessy than it is in East Van, and different again in North Vancouver.

West Side and Point Grey. Large-lot custom homes, many built in the 1950s and 1960s, undergoing major renovations or full rebuilds. Steel scope tends to be substantial, full beam-and-column packages, moment frames for seismic, exposed steel as an architectural feature. Architects on these projects often specify steel early in the design.

Kitsilano and Fairview. Older character homes and duplexes, many with small floor plates and tight ceiling heights. Wall-removal beams are the bread and butter here, maximizing the open feel in a home that was built with load-bearing walls every 12 ft. Depth constraints are constant because the ceilings are low.

East Vancouver. Vancouver specials, war-time homes, and newer infill. Laneway house steel is common. Seismic retrofits on older homes happen here more frequently as homeowners upgrade aging structures. Access can be challenging on narrow lots, crane access planning matters.

Burnaby and Coquitlam. Mix of 1960s, 1980s single-family homes being renovated and new construction. Second-storey additions are frequent. Our shop is on Douglas Road in Burnaby, so delivery and site coordination in these areas is straightforward, most job sites are within 20 minutes of our shop.

North Vancouver. Custom homes on steep lots where the foundation and structural system are more complex than a flat-lot build. Steel frames, retaining wall connections, and cantilever structures are more common here. Access for crane delivery can be difficult on narrow mountain roads, which affects install planning.

Steel vs wood, when steel is the right call

Steel is not always the right answer. Wood framing is cheaper for standard residential spans and loads, and it's what the BC residential construction industry is built around. Steel makes sense in specific situations:

• Spans over 16 ft where LVL depth would eat into headroom
• Heavy loads, multiple storeys bearing on a single beam, or heavy point loads from above
• Exposed structural elements where the client wants the beam visible and clean
• Seismic retrofit where ductility and connection capacity matter
• Tight depth constraints, steel gives more capacity per inch of depth than wood
• Corrosion environments, exterior structures, below-grade applications where wood would rot

When wood works, use wood. When the load or the geometry pushes past what wood can do efficiently, steel is the material that fills the gap. The engineer makes the call based on the numbers; we fabricate whatever the calc says is needed.

What to have ready when you call

The more information you bring to the first conversation, the faster we can scope the project and get you a quote. For a residential structural steel inquiry, the useful starting point includes:

• Architect's or designer's drawings showing the proposed layout and where walls are being removed or structure is being added
• Any existing structural information, original building plans if available, or at least the age and construction type of the home
• The municipality (Vancouver, Burnaby, Coquitlam, etc.), permit processes vary by city
• Whether you have a structural engineer already or need a recommendation
• Project timeline, when the framer needs the steel on site

If you don't have any of that yet, that's fine. We can work from a phone conversation and a few photos. Send us what you have and we'll follow up with questions and a scope outline.

FAQs