Service area · Laurentides
Attic insulation in Saint-Eustache
In Saint-Eustache, 37.7% of homes were built between 1961 and 1980, while the population doubled every decade. Isolation Cornerstone insulates the attics of those houses, and the visit is free.
Doubling every ten years, from 1951 to 1981
Between 1951 and 1981, Saint-Eustache’s population doubled every decade, at the northeast end of Lake of Two Mountains, where the Chêne River runs into the Mille Îles River. The 2021 census puts more than a third of homes at 1961 to 1980, against 10.6% from before 1961 and 21% from 2001 on.
In an attic from that era, we often find old yellowed batts, thin and possibly packed down between the joists.
- 10.6% Before 1961
- 37.7% 1961 to 1980
- 30.7% 1981 to 2000
- 21% Since 2001
Single-detached houses: 53.4% · semi-detached or row houses: 8.7%
Share of the 18,955 private households, 2021 census (Statistics Canada). Our office on rue Lacordaire is 36.9 km away, about 34 minutes by car.
Soffites first
In these houses, air has to come in through the soffites to move under the roof. A block of wood stuffed into one, and the attic can’t breathe. Those blocks come out, a baffle goes in at every soffite, and only then does the insulation follow, blown all the way into corners no one can crawl into. Our page on attic ventilation covers the rest.
FAQ
The questions we get the most
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- My 1970s bungalow has soffites blocked with pieces of wood: should they come out?
- Yes. A blocked soffite keeps air from getting under the roof. Isolation Cornerstone removes the wood blocks, sets a baffle at every soffite and keeps that space open before blowing in the insulation.
- 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.
- How long does the work take?
- The exact time is given with the quote, once the attic has been seen. On the day of the work, the house is protected with tarps and cleaned before the crew leaves.
Get your free quote
We come and look at your attic in Saint-Eustache: the visit is free, and a written quote follows, with no pressure.
Or call us at (438) 544-6512