DemoPrep provides RBQ-licensed asbestos removal Montreal homeowners rely on before any renovation: lab testing (usually $400–$1,500), sealed containment with negative air pressure, wet-method removal and certified disposal. Small contained jobs run $1,500–$3,500; whole-home or vermiculite projects $8,000–$15,000+. Serving Greater Montréal, Laval, the West Island and the South Shore. RBQ #5826-5448-01.
What Does Asbestos Abatement Cost in Montréal?
Most Montréal-area homes built before 1990 contain asbestos somewhere — drywall joint compound, vinyl floor tiles, pipe insulation, plaster or vermiculite attic fill. Testing comes first, because you should never pay for abatement you don’t need. Once the lab confirms what you’re dealing with, the price is driven by the material and the scope, not a flat rate.
| Scope | Typical Range |
|---|---|
| Asbestos testing & sampling (lab-confirmed, always first) | $400–$1,500 |
| Small single-area removal (one room, a contained tile area) | $1,500–$3,500 |
| Multi-area project (a floor or several rooms) | $3,500–$8,000 |
| Whole-home or vermiculite attic (full Type-3 containment) | $8,000–$15,000+ |
These are broad starting ranges, not quotes. Four things move the final number: whether the material is friable (crumbly insulation costs more to remove than intact floor tile), the size of the containment zone, access — a wide-open basement is cheaper to work than a third-floor ensuite — and disposal weight, since hazardous-waste facilities charge by the kilo. Every project gets a firm written quote after assessment.
One thing that surprises homeowners: even a small asbestos job carries a fixed setup cost. The sealed enclosure, negative air machines and certified disposal run have to be built and paid for whether we’re removing one closet wall or a whole floor. That’s why small jobs start around $1,500 rather than a few hundred dollars — and why bundling asbestos work into a larger interior demolition is often the most cost-effective route.
Why Certified Abatement Matters in Pre-1990 Homes
Asbestos is not dangerous sitting undisturbed behind a wall. It becomes a serious health risk the moment a DIY demolition or an uncertified crew starts breaking material. Broken asbestos-containing materials release microscopic fibres that stay airborne for hours, and a standard shop-vac doesn’t capture them — it redistributes them through the house.
- Protecting living areas: sealed containment keeps fibres from a basement or kitchen job out of bedrooms and HVAC ducts.
- Keeping the renovation on schedule: Montréal-area inspectors routinely ask for proof of safe hazardous-material handling and disposal before signing off on renovation work in older homes.
- One accountable contractor: DemoPrep handles the testing, the removal, the air clearance and the disposal manifest — you’re never coordinating a separate lab, abatement crew and disposal company.
Asbestos handling in Québec is governed by CNESST workplace safety rules — the containment class, worker protection and disposal chain are all regulated. You can read the official requirements on the CNESST asbestos prevention page.
Our 5-Step Abatement Process
Step 1 — Bulk Sampling & Lab Testing
If you suspect asbestos in drywall compound, popcorn ceiling, old linoleum or attic insulation, we start with lab-confirmed bulk samples — testing and sampling usually runs $400–$1,500 depending on how many points we collect. We collect from multiple points in the house and you receive a clear report showing exactly where the risk is, so you don’t pay for abatement where none is needed. Suspect drywall is the single most common positive in Montréal homes built between 1950 and 1990.
Step 2 — Sealed Containment & Worker Protection
We seal the work area with heavy-duty poly sheeting and install HEPA-filtered negative air machines that filter to 99.97% before venting, so no fibre-laden air escapes into the rest of the home. Our crew works in MSA Advantage 3200 full-face respirators with P100 Flexi-Filters, with containment class and protective equipment matched to CNESST requirements for the material being removed.
Step 3 — Wet-Method Removal
We keep fibres wet, heavy and grounded during removal. Nothing is ripped out dry — the area is carefully deconstructed, then deep-cleaned with HEPA vacuums and wet-wiping protocols.
Step 4 — Certified Waste Disposal
Asbestos can’t go in household garbage or a standard rental container. All hazardous material is double-bagged, labelled and transported to a specialized disposal facility, and you receive the manifest as proof the waste was handled under Québec environmental law.
Step 5 — Air Clearance Testing
Before the containment comes down, air clearance testing confirms fibre levels are safe. You get the results in writing, which is exactly the documentation an inspector, a buyer or your insurance company will ask for later.
Asbestos Removal Montreal, Laval and the West Island
We work across Greater Montréal, and the housing stock tells us what to expect before we open a wall:
- Central and east Montréal: pre-war triplexes in NDG, heritage duplexes in the Plateau and older multi-unit buildings toward the east end — plaster, pipe insulation and joint compound are the usual positives, and shared walls make sealed containment non-negotiable.
- Westmount and TMR: heritage homes where abatement is usually the first phase of a high-end gut renovation.
- West Island: post-war bungalows in Pointe-Claire and Beaconsfield and mid-century split-levels in Kirkland and DDO — vinyl tile, vermiculite attics and textured ceilings. Our West Island asbestos guide covers what local homeowners should check before renovating, and our Beaconsfield team works these streets weekly.
- Laval and the South Shore: suburban and semi-detached homes from the 1960s–80s where drywall compound and flooring are the most common finds.
One Partner from Testing to Rebuild
The biggest headache in a renovation is coordinating five contractors. DemoPrep runs the messy middle as one team: asbestos testing, safe abatement, then the full interior strip-out — and because we run complete residential renovations directly, the site you get back isn’t just empty. It’s clean, cleared and ready for the rebuild, whether we’re doing it or working alongside your architect’s team as a direct partner. Licensed and bonded, RBQ #5826-5448-01.
Book a Free Asbestos Assessment
Planning a gut job in a pre-1990 home? Don’t guess about asbestos — a lab test settles it before demolition day.
Get your free quote — fast response
Related Resources
- Asbestos Removal in the West Island: What Homeowners Need to Know
- Interior Demolition Services — full gut renovations after abatement
- Drywall Removal — safe removal of asbestos-contaminated drywall
- Bathroom Demolition — professional dust-free bathroom gutting
- Ceramic Tile Installation — new flooring after old asbestos tiles are removed
- Exterior Demolition — siding, roofing, and exterior abatement
Frequently Asked Questions
Can I stay in my house during asbestos removal?
In most cases, yes. The work zone is sealed under negative air pressure, so the rest of the home stays safe. We recommend staying clear of the immediate work area, but daily life doesn’t have to stop for a typical residential job.
How long does residential asbestos abatement take?
A typical bathroom or kitchen abatement runs 2 to 4 days including containment setup, removal and air clearance testing. Whole-home or vermiculite-attic projects take longer and are scheduled after the test results define the scope.
Do I really need a test before removing one small wall?
Yes. Asbestos was used in the joint compound on most drywall installed in Québec between 1950 and 1990. Even a small closet removal can release enough fibre to contaminate a room if it’s cut dry. A lab-confirmed bulk sample test answers the question definitively.
Is a permit required for asbestos removal in Montréal?
Requirements vary by borough and by city — West Island municipalities like Pointe-Claire issue their own renovation permits, separate from montreal.ca boroughs. The asbestos handling itself is regulated by CNESST regardless of where you live. We check the local rules before starting and handle the required documentation.
What happens if the test comes back negative?
Then you just saved thousands of dollars — the material can be removed as regular renovation debris, and we move straight to standard demolition. That’s exactly why testing always comes first: you should never pay hazardous-material rates for material that isn’t hazardous.