About 62% of homes in Redcliff were built before 1991, and in a town of that vintage the basement is where the biggest and the least visible gains are. Basement spray foam insulation in Redcliff is almost always an older foundation, often with a finished room added at some point by somebody who was not thinking about moisture, and there is a local wrinkle that catches people out: in a dry belt, the water sitting against your foundation is water you put there.
The irrigation, not the rain
It is tempting to assume a semi-arid location means a dry foundation. It does not, because the landscaping does not run on rainfall here. A lawn kept green through a southeast Alberta summer gets watered deliberately and repeatedly, and if the sprinklers throw against the house, or the grade has settled towards the wall, or a drip line runs along a bed at the foundation, then the soil beside that concrete is wetter in July than it would ever get from the sky. We find more foundation dampness traced to irrigation in this part of the province than to weather.
That matters before any insulation decision, because foam is not waterproofing. If water is arriving at the wall, the grading, the downspouts and the sprinkler heads get sorted out first. Covering a wet wall only moves the problem somewhere you cannot see it.
Why the old framed-and-batted basement is the thing to undo
The common find in a pre-1991 Redcliff basement is a stud wall stood off the concrete, batt stuffed between the studs, and poly stapled over the face. It looks like insulation and it behaves like a trap. Warm humid room air finds its way past the poly at every staple and seam, reaches concrete that is sitting against cold ground, and condenses there in a cavity nobody will open for twenty years. Closed-cell sprayed directly onto the concrete works the other way round. It bonds, so there is no gap for air to circulate in, and at adequate depth it holds the dew point inside the foam instead of on the wall face.
The order we would do it in
The rim joist first, every time. It is the coldest accessible surface in a house of this age, the joists usually sit on the wall with nothing sealing them, and it is the cheapest item on the list by a wide margin. Then the walls, if the space is lived in or about to be. Then the slab edge, if the floor is being taken up anyway.
Thermal barrier and the finished room
If the basement is occupied, the foam has to be covered to meet the code requirement for a thermal barrier. Drywall is the normal answer and it needs to be in the plan and in the price, not discovered afterwards. Where sound between the basement and the main floor is the concern rather than heat, that is an open-cell conversation instead, at around R-3.5 to R-3.8 per inch, and it is a different job on a different surface.
One company, start to finish
We take care of basement spray foam insulation Redcliff end to end -- the assessment, the quote, the scheduling and the spraying. Our crews do the work.
Basement Spray Foam Insulation Redcliff: Common Questions
It never rains here. Why is our basement wall damp? Check the sprinklers and the grade. In the dry belt the irrigation is the water source, and it runs all summer by design.
Can you spray over the existing stud wall and batt? No. That assembly comes out. The whole point is to put foam in contact with the concrete so there is no cavity for air to move in.
Is the rim joist really the place to start? Yes. Small area, large leak, easy access. It is the best value item in a Redcliff basement and it can be done on its own.
How much does basement spray foam insulation cost in Redcliff? Priced per board foot of sprayed area, so wall height and perimeter set it, plus whatever has to be removed first and the drywall if the room is finished. On an older house the removal is usually the line that separates two quotes.
How do I choose a basement spray foam contractor in Redcliff? Ask what they think about the water before they talk about the foam. A contractor who does not look outside at the grade and the sprinklers is quoting half the job.
Size the assembly with the R-value calculator, then get a free Redcliff quote. More on Basement Spray Foam Insulation Alberta province-wide.