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Asbestos Removal

Asbestos Removal near you

Test for and safely remove asbestos-containing materials. Tell us about your asbestos removal project and we’ll help you find local asbestos abatement contractors who serve your area.

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This type of work often has to be done by a licensed or certified trade. Ask to see licences and proof of insurance before work starts.
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Asbestos removal, also called asbestos abatement, is the controlled removal, sealing or enclosure of building materials that contain asbestos. Health Canada notes that before 1990, asbestos was mainly used for insulating buildings and homes, and the Quebec government says products containing asbestos were used by the construction industry mainly between 1930 and 1990. Many older houses, duplexes and triplexes across Canada fall in that window.

The danger comes from fibres released into the air when these materials are cut, sanded, drilled or broken, or when they crumble with age. According to Health Canada, asbestos-containing materials that are left undisturbed and in good condition pose no significant health risk, so the goal isn't always to tear everything out. What matters is knowing what you have before a renovation, a repair or a demolition, and leaving the work to qualified people.

Where asbestos hides in Canadian homes: materials built before 1990

Asbestos was added to dozens of building products for strength and heat resistance, and nothing about a material tells you by sight whether it contains any. Health Canada's list runs from siding, roofing and floor or ceiling tiles to plaster, paint, putty, drywall and the insulation around hot water pipes and tanks.

  • Vermiculite loose-fill insulation in the attic or inside walls, a loose, pebbly material that Health Canada says may contain asbestos (details on our insulation page).
  • Insulation wrapped around old heating pipes, boilers, ducts and hot water tanks.
  • Vinyl floor tiles, linoleum and the adhesive underneath, often hidden under newer flooring.
  • Textured and acoustic ceilings and ceiling tiles (see our popcorn ceiling removal page).
  • Plaster, drywall, putty and older patching compounds on walls and ceilings.
  • Exterior siding panels, roofing shingles and roofing felt.
  • The base or heat shield around a fireplace or wood stove.

When to test for asbestos: professional sampling and lab analysis

Only a laboratory analysis of a sample can tell you whether a material contains asbestos. Health Canada recommends hiring a professional to test before renovating or remodelling, and the Quebec government advises calling on a qualified contractor or a specialized laboratory rather than inspecting materials yourself. Taking a sample means breaking into the material, so it has to be done with the right precautions and the spot sealed afterwards.

Plan a test whenever work will disturb a suspect material in a home built before 1990: opening walls or ceilings, lifting old flooring, replacing a heating system, gutting a kitchen or bathroom, or demolishing an addition. A suspect material that is damaged, crumbling or soaked by a leak is also worth testing.

  • The professional identifies suspect materials room by room and samples each type, since one layer of flooring or one wall can differ from the next.
  • Ask for a written report that gives the location and result of every sample; your abatement contractor and a future buyer will both want it.
  • When possible, have the sampling done by someone independent of the removal contractor, so the scope isn't set by the company doing the work.

Leave it, encapsulate it or remove it: choosing what to do with asbestos

Because intact, undisturbed asbestos isn't a significant health risk according to Health Canada, removal isn't automatic. Vinyl tiles under a floating floor, or intact siding you have no plans to touch, can often stay put. The picture changes when a material is damaged, when it's friable, meaning it crumbles easily between the fingers, or when a renovation will disturb it.

Between leaving and removing there are two middle options. Encapsulation seals the material under a coating that binds the fibres; enclosure covers it behind an airtight barrier. Both leave the asbestos in place, so they suit only sound materials, need to be documented and must be pointed out to anyone who later drills or cuts in that area. Removal is the only option that ends the issue for good.

  • Leave in place: the material is intact, nothing is crumbling and no work will touch it.
  • Encapsulate or enclose: sound material in a spot you won't renovate, such as intact pipe insulation behind an access panel.
  • Remove: damaged or friable material, or anything a renovation, addition or demolition will cut, sand or break.

How asbestos abatement works: containment, negative air, HEPA filtration and clearance testing

Professional abatement is built around one goal: keep fibres inside the work area and out of the rest of the house. The precautions scale with the amount of material and how easily it releases fibres, and in Ontario they depend on the operation type set out in the regulation. On a larger indoor job, expect these steps.

  • The heating and ventilation system is shut off and the vents in the work area are sealed so fibres can't travel through the ducts.
  • The area is sealed with heavy plastic sheeting, usually with a decontamination area where workers remove protective clothing before leaving.
  • Negative air units fitted with HEPA filters draw air out of the containment, so any leak flows inward rather than into your living space.
  • Materials are wetted before removal to keep fibres from becoming airborne, and taken down in pieces as large as possible.
  • Waste is bagged and sealed inside the containment; the Quebec government calls for airtight containers.
  • Surfaces are cleaned with HEPA vacuums and wet wiping, never by dry sweeping or with a household vacuum.
  • A visual inspection and, on major jobs, clearance air testing confirm the area is clean before the plastic comes down; in Ontario, clearance air testing is required inside enclosures after Type 3 work in buildings that won't be demolished.

Asbestos abatement regulations for contractors in Ontario and Quebec

In Ontario, asbestos work falls under Ontario Regulation 278/05, Asbestos on Construction Projects and in Buildings and Repair Operations. It classifies asbestos work as Type 1, Type 2 or Type 3 operations, associated with low, medium and high risk of exposure. Type 1 generally covers installing or removing non-friable material, Type 3 covers work that can release high concentrations of fibres, and everything else is Type 2. Before demolition, alteration or repair work, the provincial guide explains that owners must determine whether materials likely to be handled contain asbestos.

For Type 3 operations, the constructor must notify a Ministry of Labour inspector before work begins, and workers must have completed the Asbestos Abatement Worker Training Program or the Asbestos Abatement Supervisor Program.

Quebec has no official asbestos certification program, the Quebec government notes; it advises hiring a contractor who holds the appropriate licence from the Régie du bâtiment du Québec and never doing the work yourself. On the job site, work that can release asbestos fibres is also subject to the CNESST's occupational health and safety requirements, and meeting them is the contractor's responsibility.

Asbestos waste disposal: designated sites, never household garbage or drop-off centres

Asbestos waste can't go in the garbage, the recycling or a renovation bin bound for an ordinary landfill. Municipalities direct it to designated sites that accept it under strict packaging rules. In Montreal, the city's drop-off centres turn asbestos away even though they take other renovation debris from residents. Calgary sends it to one specific landfill, wetted and double-bagged in heavy plastic, and recommends hiring a company that handles asbestos. A qualified contractor takes care of packaging, labelling, transport and delivery to an authorized site.

Buying or selling a home with asbestos: home inspection vs asbestos testing

A general home inspection is visual. An inspector can point out materials that may contain asbestos, such as vermiculite in the attic, insulated heating pipes or old floor tiles, but can't confirm asbestos without a sample analyzed by a lab. When a report flags suspect materials in an older home, a buyer can ask for testing before the offer becomes firm and factor any abatement into renovation plans.

For sellers, documentation is what reassures. Lab results, the abatement contractor's report and disposal records show what was found and what was done; if materials were encapsulated or left in place, note where. A real estate broker or notary can explain what you must disclose where you live.

Asbestos Removal: frequently asked questions

Can I remove asbestos myself?

No. Health Canada advises against disturbing asbestos or trying to remove it yourself, and the Quebec government says never to do the work yourself if an inspection finds asbestos-containing material. Hire a qualified specialist with the equipment, training and disposal arrangements the job requires.

Is asbestos dangerous if I leave it alone?

Health Canada says asbestos-containing materials that are undisturbed and in good condition pose no significant health risk. The risk comes when they're damaged or when work cuts, sands or breaks them.

What should I do about vermiculite insulation in the attic?

Health Canada advises leaving it undisturbed, not using the attic for storage and keeping children out of it. Have it tested and, if it has to go, have it removed by a qualified specialist; our insulation page covers what comes next.

Can asbestos waste go to the drop-off centre?

No. It has to go to a site designated to accept it, packaged to that site's rules. Montreal's drop-off centres, for instance, refuse it. Your abatement contractor should handle disposal from start to finish.

Do I have to leave the house during asbestos removal?

It depends on the size and location of the work. For a small, well-contained job you may be able to stay in another part of the house; for a larger one, or when ventilation is shared, as in a duplex, the contractor may recommend staying elsewhere until the area is cleared. Ask before work starts.

Sources

  1. Asbestos and your health — Health Canada
  2. Preventing health problems associated with asbestos — Gouvernement du Québec
  3. Overview of the regulation: A guide to the Regulation respecting Asbestos on Construction Projects and in Buildings and Repair Operations — Government of Ontario
  4. O. Reg. 278/05: Asbestos on Construction Projects and in Buildings and Repair Operations — Ontario e-Laws
  5. Dropping off items at an ecocentre — Ville de Montréal
  6. How to safely dispose of asbestos — City of Calgary

Written by the LokalMatch editorial team. Last reviewed September 10, 2026.

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What affects the cost of asbestos removal

Prices depend on the details of your project. We only publish price ranges when they’re backed by real LokalMatch quote data or reliable sources. Until then, here’s what usually changes the price:

  • Interior or exterior approach
  • Length of foundation wall to excavate or treat
  • Depth, soil conditions and access for equipment
  • Crack repair, underpinning or other structural work
  • Weeping tile, sump pumps and backwater valves
  • Restoring landscaping, driveways or finished basements
  • Testing and safe removal of mould or asbestos, where needed

How to compare asbestos abatement contractors before you hire

  • Choose a contractor who finds the source of the water before recommending a fix, whether that's grading, eavestroughs, cracks or drainage.
  • Ask them to explain the difference between interior and exterior waterproofing for your home, and why they recommend one.
  • For foundation cracks that are wide, growing or uneven, ask whether a structural engineer should assess them first.
  • For mould, asbestos or radon, hire professionals qualified for that specific work, and don't disturb suspect materials yourself.
  • Get a written quote that lists excavation, membranes, weeping tile, sump pumps and restoration of landscaping or finishes.

Questions to ask asbestos abatement contractors before you hire

  • Where do you think the water is coming from, and how did you confirm it?
  • Do you recommend interior or exterior waterproofing for my home, and why?
  • Should a structural engineer look at these cracks or this wall?
  • Does this work need a permit from my municipality?
  • Is your warranty transferable if I sell the house, and what does it cover?
  • How will you restore the landscaping, driveway or basement finishes afterwards?
  • If you find mould or asbestos, how will it be handled and by whom?

When to call a pro for asbestos removal

  • Water on the basement floor or damp walls after rain or snowmelt
  • Foundation cracks that are growing, or walls that bow or lean, which should be assessed by a qualified professional
  • Musty smells or mould that keeps coming back
  • Suspected asbestos in insulation, flooring or pipe wrap: leave it undisturbed and call a qualified abatement professional.

Asbestos removal permits and local rules

Some asbestos removal work needs a permit or has to meet local bylaws. Rules vary by municipality, so ask your pro whether a permit is needed and who will apply for it — and check with your city or town if you’re unsure.

Permits and licensing

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