About 55% of homes in Coaldale were built before 1991, and the other 45% went up as the town grew. That split is the single most useful thing to know before you read any quote here, because two houses on two streets a kilometre apart can ask for work that sounds identical on the phone and price out completely differently.
How the mechanism works
Foam is sold by volume and quoted by area and thickness. The industry unit is the board foot, which is one square foot at one inch deep, so the number follows the surface being sprayed multiplied by the depth it is sprayed to. Closed-cell and open-cell are not the same rate, and closed-cell reaches a given R-value in roughly half the thickness because it runs about R-6 to R-7 per inch against about R-3.5 to R-3.8.
That is the whole formula for the material. If a quote cannot be explained in those terms, something else is being charged for and it is reasonable to ask what.
What the formula leaves out, which is most of the difference
Access and removal. Getting a hose to the surface, and getting whatever is currently in front of that surface out of the way.
On a post-1991 house here, access is usually good. The rim joist is open in an unfinished basement, the attic has a hatch, the garage ceiling is bare, the cantilevered floor opens from below. Nothing has to be demolished and nothing has to be put back. Those jobs are small, predictable and they come in close to the material formula.
On a house from the old grid, access is the job. A wall cavity cannot be reached without taking a surface off. A crawl space with sixty centimetres of headroom takes longer per square metre than a basement a person can stand up in. An attic with four separate roof spaces and no hatch into two of them needs openings cut. On that stock the removal and reinstatement regularly exceeds the foam.
The two numbers people mix up
An estimate given over the phone is a range based on a description. A quote is a figure for a defined scope after somebody has looked at the building. When two proposals differ a lot, nine times out of ten they are not pricing the same scope: one includes the hatch, the cantilever and the garage step and the other includes the open flat area only. Compare the scopes before comparing the figures.
There is no price on this page and there will not be one, because a number quoted without seeing the building is either a guess or a bait. What we will do is tell you on the phone which of the two Coaldale housing stocks yours belongs to and which items are likely to be the good value in it.
What you can settle before anybody visits
The year the house was built, roughly. Whether the basement is finished. Whether there is a crawl space under any part of it. Whether the attic has a hatch and whether anybody has been up there. Whether siding or a re-roof is planned in the next two years, because either changes the sensible order entirely. And whether somebody can be at the house during the day, since in a commuting household that is frequently the binding constraint rather than the budget.
Spending it in the right order
Smallest and most reachable first, in nearly every case: the rim joist and any cantilevered floor, then the ceiling penetrations and the attic perimeter, then the garage ceiling if there is a room above it, then the basement walls if the space is being used. Walls last, and ideally not at all until the cladding is off for another reason.
Who does the work
You are dealing with the contractor directly on spray foam insulation cost Coaldale. We quote the job, we schedule it, and our own installers do the work.
Spray Foam Insulation Cost Coaldale: Common Questions
Why will you not put a price on the page? Because area and thickness are only half of it. Access and removal move the number more than the foam does, and neither can be assessed from a description.
Two quotes came back far apart. What happened? Almost always a different scope. Read what each one includes at the eaves, the hatch, the cantilever and the garage, then compare.
Is closed-cell more expensive? Per board foot, yes, but it reaches a target R-value in about half the thickness and it is its own vapour barrier at around two inches, so for a cold or damp surface it is frequently the cheaper way to the same result.
How much does spray foam insulation cost in Coaldale? It is priced per board foot over the sprayed area, so area times thickness sets the material. The variable that actually decides your number is whether anything has to be removed to reach the surface, which in this town depends on which half of it you live in.
How do I choose a spray foam contractor in Coaldale? Ask for the scope in surfaces rather than in dollars, and ask what they would drop first if the budget were halved. The answer tells you whether they have looked at your building or at a template.
Size the job with the R-value calculator, then get a free Coaldale quote. More on Spray Foam Insulation Cost Alberta province-wide.