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Service area · Laurentides

Attic insulation in Sainte-Marthe-sur-le-Lac

Sainte-Marthe-sur-le-Lac split off from Saint-Eustache in 1960 and now counts 89.1% of households as homeowners. Isolation Cornerstone works in those houses, six in ten of them built since 2001, and the visit is free.

Nearly nine households in ten own their home

Sainte-Marthe-sur-le-Lac took shape from 1956 with its parish, then became a municipality in 1960 on a piece of Saint-Eustache’s territory. It was granted city status in 1973. Lake of Two Mountains runs along its south side.

Today, 72% of homes are single-detached houses and 89.1% of households are homeowners. Houses are also what LogisVert is aimed at, if they are heated mainly with electricity.

New two-storey house in grey stone and white siding, with black-framed windows and a steep dark roof, a garage, a wet driveway and a young staked tree, more new houses further down.
A new house in a recent neighbourhood, with a steep dark roof
Age of homes in Sainte-Marthe-sur-le-Lac
  • 6.5% Before 1961
  • 16.1% 1961 to 1980
  • 16.1% 1981 to 2000
  • 61.4% Since 2001

Single-detached houses: 72% · semi-detached or row houses: 6.5%

Share of the 7,505 private households, 2021 census (Statistics Canada). Our office on rue Lacordaire is 45.5 km away, about 43 minutes by car.

The order of work in a newer house

With 61.4% of homes built since 2001, many attics are young, but the work follows the same order as anywhere else. Ceiling air leaks are sealed first. A baffle goes in at every soffite, ducts are routed outside, and the hatch is insulated with weatherstripping. The insulation is blown in last, with safety clearances kept around the chimney, light fixtures and ducts.

FAQ

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Isolation CornerstoneAnswers from the team

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My house in Sainte-Marthe-sur-le-Lac was built in the 2010s: is LogisVert possible?
Possible, if the house is heated mainly with electricity and the roof reaches at least R-50 over its whole surface. Isolation Cornerstone does the roof insulation and the caulking in the same project, and Hydro-Québec decides.
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.
I think there is vermiculite in my attic. What should I do?
Leave it alone, and don’t go up to check. Vermiculite can contain asbestos, according to Health Canada. Describe to Isolation Cornerstone what you saw, even from a distance: the crew comes to look at it, and it comes out before any insulation goes in.

Get your free quote

We come and look at your attic in Sainte-Marthe-sur-le-Lac: the visit is free, and a written quote follows, with no pressure.