Dan Chisholm (VP, Inflector Environmental Services) and Justin Merritt (Director of Projects) spent 78 minutes on the record explaining what abatement actually is, how Inflector absorbed a 50-year Halifax competitor in 2022, and why Nova Scotia’s regulatory gap creates unfair competition for every contractor doing this work right.
Walk through an older Atlantic Canadian hospital and the building material that made it possible is almost certainly still in the walls. Asbestos was the dominant construction material for roughly three decades — plaster, floor tile, drywall compound, pipe insulation — because it combined tensile strength, fire resistance, sound deadening, and mold resistance in a way nothing else could. The problem is it never leaves on its own. Every renovation or demolition project on a building from the 1950s through the 1970s is, at some point, an abatement project whether the general contractor accounts for it or not.
Dan Chisholm joined Inflector Environmental Services as operations manager in 2019, becoming VP and area manager for Atlantic Canada in early 2020. Justin Merritt came up through the other side: he started as a labourer at Halifax-based envirobate, worked his way to operations manager over six years, and crossed over to Inflector after the July 2022 acquisition. Between them, they cover both the national contractor perspective and the ground-level Atlantic Canada knowledge that makes this episode worth an hour of a busy builder’s time.
What asbestos removal actually involves
Most people on a job site know asbestos is a problem. Far fewer know what a proper Type 3 abatement actually looks like. The guests walk through it: a three-stage decontamination unit (shower and change rooms), negative air pressure maintained by HEPA filtration throughout the enclosure, workers in full Tyvek suits, mandatory showers on exit, and clearance via a third-party agitated air test before the area can be re-occupied. This isn’t precautionary theater. It’s the protocol that separates a compliant abatement from one that just moves the hazard somewhere else.
The same containment logic that governs asbestos work transfers directly to healthcare construction, where infection-control requirements mirror the hazmat containment the crews already build. Chisholm’s shorthand: “infection control which is essentially that same scope — we're really good at it” — and that is a durable competitive position in a sector that never stops renovating.
Lead disposal adds a different wrinkle. Stripped lead material doesn’t go to a local landfill; it ships to a Montreal facility for refinement back into raw material. Mold clearance uses tape testing rather than visual assessment. The documentation requirements across all three hazmat types are substantial, which is part of why a well-run abatement contractor is a different animal from a general demolition crew that pulls material without testing.
The acquisition that merged two competitors’ crews
Inflector entered Atlantic Canada with a single project — Dartmouth General Hospital in 2018. By July 2022 they had acquired envirobate, a Halifax-based firm with roughly five decades in the market, confirmed in Inflector’s acquisition announcement.
The human side of that deal is more interesting than the press release. Merritt describes the moment the envirobate team found out: shock, then fear, then a gradual shift toward optimism after meeting the Inflector people directly. That arc is predictable, but what drove the resolution matters: direct personal contact, not a memo.
Chisholm is candid about the sequencing. Deals like this are “it's pretty tight-lipped throughout — until the deal closes you don't know if it's going to close” — premature disclosure raises anxiety in the acquired team without giving them anything actionable. You keep the circle small until the transaction is done, then you put the right people in the room.
The harder problem came after close. Inflector and envirobate had been competing head-to-head on the same job sites for years. The supervisors knew each other — some had beaten each other on bids, others had butted heads on shared sites. Chisholm analogizes it to inheriting an NFL head-coaching job mid-season: the roster is already in place, the plays are already called, and you’re trying to build a new culture in the middle of live work. His read on how it went: “you start sticking these supervisors together that used to be competing — and it's been awesome so far.”
The strategic lesson he draws for the post-acquisition period is pointed. Inflector’s near-term priority isn’t chasing new Atlantic Canada clients. It’s fully integrating the envirobate client relationships they just bought. The logic: “if we don't have the resources to take that on, you build that relationship only to fall on your face.” You can’t service two pipelines at once without the capacity to deliver on both. Win the inherited book first.
Project stories that illustrate the risk
Demo estimating is where the financial exposure lives, and the guests are honest about why. Hidden conditions — encased steel beams, glued flooring, asbestos behind finished surfaces — are the primary driver of cost overruns in this trade. Chisholm puts it plainly: “it's a gamble really — you just don't know sometimes how hard that's going to be.” Site visits before quoting are mandatory. Contingency pricing isn’t optional; it’s the only honest way to bid a demo scope.
The project stories illustrate it concretely. At Scotia Square, the team hit unexpected encased steel beams mid-demolition that required saw-cutting — a scope no one had priced. On the Barrington Street heritage building, a concrete track saw was running 80 feet up to separate a heritage facade. At Province House PEI — the Confederation site in Charlottetown — the elevator core had to be deconstructed without cutting because the structure is timber and any cut risked the building’s heritage integrity. The Quonset hut abatement on Sable Island came with barge logistics and wild horses as site neighbours.
The Macdonald Block in Toronto represents the national scale: Inflector describes it as potentially the largest abatement and demolition project in North American history — five million square feet in the Ontario government’s provincial legislature complex, requiring full remediation and demolition to structural core before a rebuild.
The equipment that changes what’s possible
Specialty gear is where Inflector has invested to own capability rather than subcontract it. Three pieces stand out in this episode.
A 32-inch floor grinder covers 2,000 to 3,000 square feet per shift versus hand-grinding the same area — a significant productivity difference on commercial floor abatement. A Husqvarna Bluetooth concrete track saw cuts up to 24 inches thick with the operator standing 100 feet away, which is how you run a blade 80 feet up a heritage facade without putting a worker on a line. The third is a Husqvarna electric demolition robot — a remote-controlled unit with a 40-ton pulverizer that runs on electric power with no diesel off-gassing inside an occupied or contained space. On a bank vault: “after the robot showed up we had that vault demolished and out the door in about seven shifts.” The same work by hand would have taken weeks.
The pattern is consistent: work that previously required subcontracting out specialist equipment becomes owned capability, the timeline compresses, and the margin stays in-house.
The regulatory gap that levels down the whole market
This is the section of the conversation that most builders won’t find anywhere else. Nova Scotia, unlike most Canadian provinces with active asbestos work, operates on a code of practice rather than formal regulation. The distinction matters: a code of practice sets standards without enforcement teeth. There is no regulator with authority to cite a contractor who skips the Type 3 containment or doesn’t pull a proper air test.
Chisholm states it plainly: “Nova Scotia doesn't actually have a regulation, we have a code of practice — you have to have a referee.” Contractors who do the work properly — full containment, third-party clearance, documented disposal — carry real cost. Contractors who cut corners face no formal consequence. That is a race to the bottom that rewards the least careful operator.
His position is that the province should formalize and enforce standards. The contractors best positioned to advocate for that are the ones already operating at the higher standard — they have everything to gain from raising the floor.
The long market case
The macro argument for the abatement and demolition trade in Atlantic Canada is structural and not complicated. The region’s institutional stock — hospitals, schools, government buildings — was built largely in the 1950s, 1960s, and 1970s. Those buildings are reaching the end of their functional lives. Renovation and replacement cycles are beginning, and almost every one of them will encounter hazardous materials that require abatement before other trades can work.
“all these hospitals were built in the 50s, 60s, 70s — they're coming towards their end of life” is not a speculative claim; it’s a planning horizon already visible in procurement pipelines across the region. The contractors positioned for that wave are the ones with the certifications, the containment expertise, and the equipment to handle large institutional scopes.
About half of Inflector’s Atlantic Canada work runs on night shift — a feature of working in occupied buildings where abatement has to happen outside operating hours. The crews adapt without complaint. Chisholm’s reflection on what he got wrong when he came from the GC world: he assumed demo was unskilled labour. The reality is that demo workers are “we're the only sub trade that touches every scope — mechanical, electrical, concrete, drywall, flooring.” Cross-trade knowledge is the job. A crew that can read what’s behind a wall before they open it is worth considerably more than one that can’t.
Guests: Dan Chisholm, VP Atlantic Canada, and Justin Merritt, Director of Projects — both at Inflector Environmental Services. Inflector handles hazardous materials abatement (asbestos, lead, mould), soil remediation, selective demolition, fireproofing, and emergency response across Canada; also on LinkedIn, Instagram, and Facebook. The 2022 envirobate acquisition is confirmed in Inflector’s own announcement. EnviroBate Inc. continues to operate as part of Inflector; their site is at envirobate.ca. Episode 34 of the Atlantic Construction Podcast — watch the full episode.