Soundproofing spray foam insulation in Didsbury is mostly work inside older houses, and the age of the stock changes both what the problem is and what can realistically be done about it.
An old house carries sound differently
A house built with dimensional lumber, board sheathing and plaster is stiff and continuous in a way a modern one is not. Sound gets into the structure at one point and comes out somewhere unrelated, which is why people in these houses describe hearing something from a room that does not share a wall with them. Nothing about that is a defect. It is how the building was made, and it means the first job is finding the path rather than assuming the nearest wall is the culprit.
Empty cavities and cavities full of something unexpected
Opening a wall in a Didsbury house of this vintage produces one of three findings: nothing at all, the original loose fill of the period, or something a previous owner pushed in during a renovation. All three behave differently for sound and only the first is straightforward. Knowing which one it is before a price is given avoids the common outcome here, which is a quote based on an assumption that the wall behaves like a modern one.
Why this is usually a bedroom, an office or a shared wall
The rooms worth treating in these houses are specific. A bedroom over a living room, a room being used for work in a household where somebody else is home, or the wall between an original house and a later addition where the two structures meet. Treating one of those properly is achievable and affordable in a way that treating a whole house is not, and given how people here budget for work it is the version that actually gets done.
The plaster already on the wall is worth more than it looks
This is the point most worth making in a town with this stock, because the instinct is to strip everything back. Original lath and plaster is heavy and dense, and mass is what stops airborne sound, so an intact plaster wall frequently outperforms the single sheet of modern board that would replace it. Tearing out sound plaster to insulate a cavity and re-boarding in something lighter can leave a wall that performs worse than it did. The moment to do this work is when a wall is already open, or where the plaster has failed and is coming off anyway, and it is worth waiting for that moment rather than manufacturing it. Where the foam does go into an occupied Didsbury room it is covered by a thermal barrier, which in practice is the plaster or the drywall going back on, so the making good is part of the job rather than an extra. More on thermal barrier vs ignition barrier.
Soundproofing Spray Foam Insulation Didsbury: Common Questions
How do we hear noise from a room that does not touch ours? Common in a stiff old house. The path has to be found before anything is priced.
What is in the walls now? Nothing, period loose fill, or something added later. All three behave differently.
Will it stop footsteps upstairs? It helps much less with impact than with voices. That is worth knowing first.
Size the assembly with the R-value calculator, then get a free Didsbury quote. More on Soundproofing Spray Foam Insulation Alberta.