In Beauport, Duberger-Les Saules or Loretteville, bungalows and semi-detached homes from the 1960s to 1980s still line the streets. Most kept their original insulation, now settled to 6 or 8 inches, far from today's recommended R-50. Upstairs floors are cold, ice returns along the roof edge after every thaw, and the hydro bill spikes in January. For these standard homes, our online price calculated from your address is accurate, no need to wait for a salesperson to find out what it costs.
What we find in Québec attics
In the attics we insulate in Québec, the existing insulation measured 7 inches at the median before the work, or about R-19. Half of the attics measured were between R-17 and R-26. The target in Quebec is R-50, and we install R-51.
- R-19 found at the median
- +32 to add for R-51
- Half of the attics, from R-17 to R-26
- Quebec target, R-50
Depth measured with a ruler by our installers in Québec attics, converted to an R-value for fiberglass. Old cellulose would come out about 15% higher.
What it means for a home in Québec
For a 860 sq ft attic, the median area we measure in Québec, going from R-19 to R-51 means estimated heating savings of about $170 a year, or about $3,400 over 20 years, for a home heated with electricity. How we estimate it
For 78% of the attics we insulated in Québec, we opened the LogisVert grant file with the client. The grant goes up to $1,500, and we handle the paperwork.
Before and after, in Québec attics
Photos our installers took on job sites in Québec, before and after the insulation.
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AfterYour insulation price in Québec, in 2 minutes
Enter your address in Québec and get an instant price for insulating your attic, no visit and no salesperson. An installer confirms the measurements free of charge on-site before the work, and you're usually installed within 24 to 48 h.
Not sure what your attic insulation is worth? Measure it with our R-value calculator. A ruler is all it takes to see how many inches are missing.
Our insulation services in Québec
- Attic insulation (blown R-51)
- Spray foam
- Attic decontamination
- Vermiculite & asbestos removal
- Insulation removal
Grants available in Québec
Your work may be eligible for LogisVert from Hydro-Québec ($1,500) and Rénoclimat. We prepare the file with you.
Frequently asked questions: Québec
How much does attic insulation cost in Québec?
For a typical attic, the market average is around $2,495 before taxes. At Isolation à Rabais, the same project comes to $1,995 before taxes, and $495 after the LogisVert grant if you qualify (it's paid after the work). Enter your address in Québec in the calculator: your exact price shows up in 2 minutes.
Do you need to visit before giving a price in Québec?
No. The price is calculated online from your address and attic area. An installer then confirms the measurements free of charge on-site, right before the work, if anything differs, we tell you before starting.
What grants are available in Québec?
LogisVert from Hydro-Québec offers $1,500 for roof insulation combined with air sealing (the attic must reach R-50), and Rénoclimat can be added depending on the work. We prepare the file with you.
How fast can you insulate my attic in Québec?
Installation is usually scheduled within 24 to 48 hours after you accept the quote, and a typical attic takes 2 to 4 hours to complete.
Before you decide, read our attic insulation price guide, the insulation standards in Quebec and how we estimate heating savings.
Also near Québec
We serve the whole area. See our Région de Québec (Capitale-Nationale) page.