Wall Insulation in Toronto & the GTA
Dense-pack and injection insulation for existing walls, and full cavity systems during renovation — warmer rooms, lower bills and noticeably quieter interiors.
What we see in these homes
- Exterior walls that feel cold to the touch
- One room always colder than the rest of the house
- Noise carrying easily between rooms or from the street
- A pre-1980s home with little or no wall insulation
How the job runs
Cavity assessment
We confirm what is inside the wall before drilling anything.
Access openings
Small, regularly spaced openings made where they can be cleanly patched.
Dense-pack fill
Material injected under pressure so it fills the cavity without voids or settling.
Patch and clean
Openings closed and the site left ready for paint or siding.
What your wall type allows
| Wall construction | What is possible |
|---|---|
| Framed cavity, empty | Dense-pack injection to full density |
| Framed cavity, settled material | Densify rather than empty and refill |
| Solid masonry | Cannot be injected — interior or exterior assembly needed |
| Open during renovation | Batt or blown to the full depth of the cavity |
Not every wall can be improved, and we would rather tell you that at the assessment than after opening it.
What we install
Dense-pack cellulose — fills irregular cavities, good acoustic performance
Injection foam — for cavities where access is very limited
Batt insulation during open-wall renovation
Questions about this service
Do you have to open my walls?
Not fully. Dense-pack goes in through small openings that are patched afterwards.
Will it help with noise?
Yes — dense-pack in particular makes a clear difference on interior and street noise.
Can this be done in winter?
Yes, though exterior access work is easier and cleaner in milder weather.