Service area · Montérégie
Attic insulation in Vaudreuil-Dorion
In Vaudreuil-Dorion, 54% of homes were built since 2001. Isolation Cornerstone visits the attic for free, provides a written quote, and leaves depth rulers planted in the insulation of these recent houses after the work.
A farming core turned into neighbourhoods
Vaudreuil-Dorion was formed in 1994 by merging Vaudreuil and Dorion, on the shores of Lac des Deux Montagnes. The city is now developing the farmland at the centre of its territory, where a commercial hub extends along boulevard de la Gare, and half of the homes are now recent. Only 9.7% date from before 1961, and the rest splits almost evenly between 1961 to 1980 (16.3%) and 1981 to 2000 (19.9%).

- 9.7% Before 1961
- 16.3% 1961 to 1980
- 19.9% 1981 to 2000
- 54% Since 2001
Single-detached houses: 53.1% · semi-detached or row houses: 11.4%
Share of the 16,715 private households, 2021 census (Statistics Canada). Our office on rue Lacordaire is 48.1 km away, about 46 minutes by car.
Recent, but still worth checking
A new house is not necessarily at R-50 over the whole roof surface. The depth rulers we leave planted in the insulation let you read the thickness yourself, without taking our word for it. If it falls short of the target, blown-in fibreglass goes to R-51 minimum, and up to R-60 when the height under the roof allows.
With 73.2% of households owning and 53.1% single-detached houses, many roofs can also aim for LogisVert, if the heating is mainly electric. Hydro-Québec decides; the LogisVert rebate page gives the conditions.
FAQ
The questions we get the most
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- In a recent Vaudreuil-Dorion house, is it better to trust the plans or read the thickness on a ruler?
- Read the thickness. Plans say what was intended; the depth rulers Isolation Cornerstone leaves planted in the insulation after the work show what is in place, and anyone can read them.
- Blown-in fibreglass or batts: which is better in the attic?
- Blown-in fibreglass, at Isolation Cornerstone. It reaches the corners nobody can crawl into and forms an even layer from wall to wall, at R-51 minimum, with depth rulers left standing in it so you can read the depth yourself.
- 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.
Near Vaudreuil-Dorion
Get your free quote
We come and look at your attic in Vaudreuil-Dorion: the visit is free, and a written quote follows, with no pressure.
Or call us at (438) 544-6512