About 62% of homes in Redcliff were built before 1991. That single figure tells you most of what you need to know about residential spray foam insulation in Redcliff: this is retrofit country, the houses were built in several distinct waves, and the useful question for a homeowner is not which product to buy but in what order to spend.
Three kinds of house, three different jobs
The original townsite stock is small, square and early: shallow walls, board sheathing, a crawl space or a shallow cellar, and in many cases nothing in the walls at all. The post-war and mid-century layer is bungalows and storey-and-a-halves with full basements, some insulation everywhere and an air barrier nowhere. The newer edges of town are conventionally framed houses with reasonable depth of insulation and the ordinary modern leaks. A quote that treats all three the same is a quote that has not been inside the house.
The order to spend in
For nearly every older Redcliff house the sequence is the same, and it is not the sequence people expect.
The rim joist first. It is the band of wood where the floor framing sits on top of the foundation wall, it is almost always uninsulated and unsealed in this stock, it is directly accessible from the basement, and it is a small area carrying a large share of the house's total air leakage. Nothing else on the list gives as much back for as little.
Then the ceiling plane. Not more depth necessarily, but the holes: the plumbing stack, the bathroom fan, any abandoned chimney chase, and the top plates of interior walls. Air escaping through the ceiling travels straight through any new material laid over it, which is why adding depth on its own so often disappoints.
Then whichever surface the cold room is against. If one room is cold, it is bounded by something nobody insulated, and finding that is cheaper than treating the whole house.
Walls last, and only when the inside or the outside is already coming off. Opening a wall purely to insulate it rarely makes sense; doing it during a renovation almost always does.
Why air sealing is the part that gets missed
Insulation slows heat moving through a material. It does nothing about air moving around it. A house can be full of insulation and still be draughty, expensive and uneven, because the two are separate problems and only one of them has been addressed. Foam is the material that does both at once, which is why it belongs at the junctions, the penetrations and the band at the top of the foundation rather than spread thinly over everything.
Choosing between the two foams
Closed-cell is about R-6 to R-7 per inch and becomes a vapour barrier at roughly two inches, which is what you want against concrete, against the outside of a shallow wall, in a rim joist and in any shallow cavity. Open-cell is about R-3.5 to R-3.8 per inch, costs less for the same volume, and is the better choice inside the house for interior partitions and where sound rather than heat is the objective.
Who quotes it and who sprays it
We quote the job, schedule it and stand behind it, and our own installers do the work on residential spray foam insulation Redcliff. You deal with us from the first site visit to the last pass of foam.
Residential Spray Foam Insulation Redcliff: Common Questions
Where should we start on an older Redcliff house? The rim joist. Small area, large leak, easy access, and it can be done on its own without committing to anything else.
We added attic insulation and the house still feels draughty. Why? Because insulation does not stop air. The penetrations through the ceiling are what let it out and new depth sits above them.
Is it worth opening our walls to insulate them? Only if they are being opened anyway. Then it is the right moment and the marginal cost is small.
How much does residential spray foam insulation cost in Redcliff? Priced per board foot of sprayed area at the depth specified, so the number follows which surfaces are in scope. A rim joist job is a modest item; a basement or a full renovation is a different order of work.
How do I choose a residential spray foam contractor in Redcliff? Ask them what they would do first and why. If the answer is the same for every house in town, they have not looked at yours.
Size the job with the R-value calculator, then get a free Redcliff quote. More on Residential Spray Foam Insulation Alberta province-wide.