Planning to renovate an older house in Hamilton, whether it is a brick home in the lower city or a bungalow on the Mountain? Test for asbestos and vermiculite before the work starts. Many building materials from the early and middle 20th century can contain asbestos, and Health Canada notes they are generally not a concern while they stay intact and undisturbed. The concern starts when a renovation cuts, sands, drills or tears them out. At Golden Home Inspections we test for asbestos and vermiculite as part of our home hazard testing, and samples are analysed by accredited labs. Call 647-704-7100 to book.

Yama Nehan is a Certified and Registered Home Inspector with about 15 years of home inspection experience and a construction engineering degree from George Brown (Building Renovations). He is also a licensed contractor with about 20 years of construction experience and the owner of Nehan Construction. That practical construction experience is one of the main reasons clients pick him: he knows which older materials a renovation is likely to disturb and where they tend to hide. Yama Nehan is the only one trusted to do the inspections himself, and Golden Home Inspections reports on the home’s condition; it does not use the inspection to sell repairs.

Key takeaways

  • According to Statistics Canada’s 2021 Census, 73,110 of the City of Hamilton’s 222,805 occupied dwellings (32.8%) were built in 1960 or before, and another 62,560 were built between 1961 and 1980.
  • Materials worth asking about include vermiculite attic insulation, older floor tiles and adhesive, textured ceilings, plaster and heating-pipe or duct wrap.
  • Asbestos cannot be confirmed by looking. A sample analysed by an accredited lab gives the answer.
  • The best time to test is before demolition, while you can still plan the job around the results.
  • Answering a few questions up front keeps testing focused on the materials your project will actually touch.

Why does asbestos testing come up so often in Hamilton?

Because so much of the city’s housing is older. Statistics Canada’s 2021 Census profile for the City of Hamilton counts 73,110 occupied dwellings built in 1960 or before and 62,560 more built from 1961 to 1980, out of 222,805. That covers the pre-war brick homes of the lower city as well as the post-war bungalows and side-splits on the Mountain. Many of these homes are now being bought and renovated, and our home hazard testing page for Toronto and the GTA explains how asbestos, vermiculite, mould and radon testing fit together.

What questions should you ask before renovating an older Hamilton home?

Work through these before you book a contractor or pull anything apart. Each one points to materials that may need a sample first.

1. When was the house built, and when was it last renovated?

Original construction date is the starting point, but renovation history matters too. A 1920s lower-city home may have flooring from the 1960s and a basement finished in the 1970s, so materials from several decades can be stacked on top of each other.

2. What is in the attic?

Loose, pebble-like granules that are grey-brown or silver-gold usually point to vermiculite. Health Canada advises leaving vermiculite undisturbed, not storing things in that attic, and not removing it yourself. If you plan to re-insulate, add pot lights or run wiring or ducts through the attic, test it first.

3. What is under the current flooring?

Older vinyl or asphalt tiles, often 9-inch squares, are commonly hidden under carpet, laminate or newer vinyl. Both the tiles and the black adhesive beneath them are worth sampling before a floor is lifted or ground down.

4. Are the walls original plaster, and will they be opened?

Plaster and some older joint compounds can contain asbestos. Taking down a wall for an open-concept layout or gutting a kitchen or bathroom is a good reason to sample first.

5. What is wrapped around the heating pipes and ducts?

White or grey wrap on basement heating pipes, duct joints or an older boiler is a classic material to check, especially when a basement finish will box in, reroute or replace them.

6. Is there a textured or stippled ceiling you plan to change?

Popcorn and stipple finishes were used for decades. Scraping, sanding or cutting into one for pot lights is a reason to test the finish beforehand.

7. Will anyone be living in the home during the work?

If you are staying in the house through the renovation, knowing what is in the areas being worked on matters even more. Results let your contractor plan containment and sequencing, or bring in a qualified asbestos removal professional before the rest of the work starts.

Which materials should you check for each Hamilton renovation project?

Planned project Materials to ask about Test before
Attic insulation upgrade Loose-fill vermiculite, older insulation Anyone works in or adds to the attic
Kitchen or bathroom gut Plaster, joint compound, floor tiles and adhesive Demolition starts
Basement finishing or underpinning Pipe and duct wrap, floor tiles, older ceiling finishes Mechanical areas are boxed in or replaced
New flooring Older tiles and the adhesive under them Floors are lifted or ground
Ceiling work or pot lights Textured or stippled finishes Ceilings are scraped or cut
Furnace or boiler replacement Duct joints, pipe wrap, older equipment insulation Old equipment is removed

What happens during our asbestos and vermiculite testing?

We start with your renovation plans, look at the areas the work will touch, and identify which materials could contain asbestos or vermiculite. Representative samples are taken carefully so materials are disturbed as little as possible, and they are analysed by an accredited lab. We then explain each result in plain language, so you and your contractor know whether the work can go ahead as planned or needs a qualified asbestos removal specialist first.

Is asbestos testing included in a home inspection?

No. A home inspection is visual. During a pre-purchase home inspection we note materials that look like they could contain asbestos, such as vermiculite in the attic or old pipe wrap, along with the rest of the home’s condition. Confirming asbestos takes lab analysis, which is a separate service you can book alongside the inspection. Our older home inspection guide covers what else to watch for in houses of this age, and you can see all our services on the home inspections page.

A situation we often see in Hamilton

Buyers pick up a solid brick home in the lower city with plans to open up the main floor and finish the basement. The basement has wrapped heating pipes, the main floor has original plaster, and there is an older tile floor under the carpet. Testing those few materials before the contractor starts means the demolition can be planned around real results, instead of discovering a suspect material halfway through the job.

What affects the cost of asbestos testing in Hamilton?

Cost depends mainly on how many different materials need samples, how many areas of the home are involved, and whether you combine asbestos and vermiculite testing with a home inspection or radon testing. The final price depends on the home, so call us for a quote.

Frequently asked questions

Do I need to test every room?

Usually not. Testing focuses on the materials your renovation will disturb, which keeps it practical and relevant to the job.

Should I remove suspect materials myself?

No. Health Canada advises against disturbing materials that may contain asbestos. If testing confirms asbestos in an area you plan to renovate, hire a qualified asbestos removal professional.

Does a newer home on the Mountain need asbestos testing?

Homes built well after the 1980s are less likely to have original asbestos-containing materials. Radon is a separate question, since it depends on the soil, not the age of the house.

Can testing be done before closing?

Often, yes, if the seller allows access. Booking it with your home inspection gives you answers while you still have time to plan.

Buying or renovating an older home in Hamilton? Call 647-704-7100 or email contact@goldenhomeinspections.ca to book asbestos and vermiculite testing with Golden Home Inspections, based in Toronto, Ontario. Hours are 9 AM–8 PM, seven days. Learn more in Health Canada’s guide to asbestos and your health.