Service area · Lanaudière
Attic insulation in Repentigny
Seven homes in ten in Repentigny were built between 1961 and 2000: 30.8% from 1961 to 1980 and 38.3% from 1981 to 2000. Isolation Cornerstone visits those attics, and the visit is free.
- 6.9% Before 1961
- 30.8% 1961 to 1980
- 38.3% 1981 to 2000
- 24% Since 2001
Single-detached houses: 59.7% · semi-detached or row houses: 8.5%
Share of the 34,175 private households, 2021 census (Statistics Canada). Our office on rue Lacordaire is 23.7 km away, about 22 minutes by car.
From Repentigny-les-Bains to Le Gardeur
The city dates from June 1, 2002, when Repentigny and Le Gardeur, formerly Saint-Paul-l’Ermite, were brought together. Its west point used to be called Repentigny-les-Bains, because of the summer homes Montrealers kept there.
In a house from 1961 to 1980, a block of wood can plug a soffit there and keep air from entering under the roof. The blocks come out, a baffle goes in at every soffit, and the insulation is blown right into the corners nobody can crawl to. Between the joists, the old batts may have decades of settling behind them.
Three homes in ten are apartments
In Repentigny, 59.7% of homes are single-detached houses and 29.9% are apartments. Hydro-Québec’s LogisVert program targets houses heated mainly with electricity; condos, multiplexes and apartment buildings do not qualify. If you own a house (68.2% of households live in a single-detached, semi-detached or row house), the roof insulation and the caulking are done in the same project. Hydro-Québec makes the call.

FAQ
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- There are silvery-gold granules in the attic of my house in Le Gardeur. What should I do?
- Do not touch them, and do not climb up to check. Those granules may be vermiculite, which can contain asbestos according to Health Canada. Describe what you saw to Isolation Cornerstone: vermiculite is removed first, safely, and we never insulate over it.
- LogisVert vs. Rénoclimat: which one applies to attic insulation?
- LogisVert, from Hydro-Québec, covers roof insulation done together with caulking, in a house heated mainly with electricity. Rénoclimat, from the Québec government, requires an energy evaluation before and after the work, and can complement LogisVert when the work is separate. Each programme alone decides whether you qualify.
- Is the visit for the quote really free?
- Yes. Isolation Cornerstone comes to look at the attic at your address and gives you a written quote, at no charge and with no pressure.
Get your free quote
We come and look at your attic in Repentigny: the visit is free, and a written quote follows, with no pressure.
Or call us at (438) 544-6512