Wall spray foam insulation in Nisku brings up a building type people often misjudge. A good proportion of the warehouses and newer industrial buildings in this park have concrete walls rather than steel ones: tilt-up panels cast on site and stood up, or precast panels delivered and set. Those walls look substantial and they are substantial, and because of that owners frequently assume they must also be insulating. They are not. Concrete is a storage medium for heat, not a barrier to it.
A concrete wall is thermal mass, not an insulator
A thick concrete panel has a very low resistance to heat flow and a very high capacity to hold heat. The practical consequence is a wall that takes a long time to change temperature and then stays at whatever temperature it reached. In a long cold spell the whole panel chills through and becomes a large, slow, cold surface facing the interior, and because it has so much mass it will not warm back up quickly when the heating is turned up. That is why a tilt-up warehouse can feel cold even when the air temperature reads acceptably: people are radiating to a cold wall. Insulating the inside face puts the mass outside the insulation, which is the right side of the line in this climate.
The joint between the panels
Panels meet in a vertical joint sealed from the outside with a backer and a sealant. That sealant has a service life, it is exposed to the weather on the windiest ground in the region, and when it fails the joint becomes a continuous full-height air path. These joints are the single most common source of draughts in a concrete building here, and they are nearly invisible from the inside once the building is racked or shelved. Spraying the inside face takes care of them permanently as a by-product, which is one of the better arguments for doing the whole wall rather than patching.
Embeds, dock bumpers and where the cold comes through
Tilt-up and precast panels have steel cast into them: lifting inserts, connection plates to the frame and to adjacent panels, brace points, and the steel behind a dock bumper or a door jamb. Each one is a piece of metal passing through or nearly through the panel, and each is a cold spot that will frost on the inside before anything else does. They are also the places people hang things from. Spraying over them continuously is straightforward; the planning question is which ones must remain accessible, and that gets settled before the work rather than during it.
Block walls in the older buildings
The earlier generation of shops here often used concrete block, sometimes with the cores grouted and sometimes not. Block has the same basic character as a poured panel with an additional problem: the cores and the mortar joints can form a connected air path through the wall, so these walls leak as well as conduct. Closed-cell on the inside face deals with both at once, and it does so without needing a flat substrate, which block rarely is.
Where the office wall meets the shop wall
Almost every building here has an office area built against or inside the shop, and the line where the two meet is where most comfort complaints originate. On one side is a heated, occupied, humidity-generating space; on the other is a large shop that may be colder, may be ventilated hard, and may run at a different pressure. That partition is part of the building's thermal boundary even though it is an interior wall, and it has to be sealed at the top, at the floor and around every service that crosses it. It is a small area and a disproportionate share of the result.
We take care of the work
For wall spray foam insulation Nisku, we quote and manage the whole job and our own installers do the work. The free quote comes from the people who will be on site.
Wall Spray Foam Insulation Nisku: Common Questions
Our walls are thick concrete. Do they need insulating? Yes. Concrete stores heat but resists it poorly, so the panel becomes a large cold surface in winter. Insulating the inside face keeps the mass on the warm side of the assembly.
Where do the draughts in a tilt-up building come from? Usually the vertical joints between panels, where the exterior sealant has aged. From inside they are invisible, and they run the full height of the wall.
Why does frost appear in specific spots on a concrete wall? Because there is steel cast into the panel at those points, at connections, lifting inserts and door jambs, and it conducts far more than the concrete around it.
How much does wall spray foam insulation cost in Nisku? It is priced per board foot at the thickness the assembly needs, so the number follows wall area. On a concrete building the other real items are surface preparation, access at height and the covering required over the foam.
Who does wall spray foam insulation in Nisku? We do. We identify what the wall is actually made of before quoting it, treat the office partition as part of the envelope, and stand behind the work.
Size the assembly with the R-value calculator, then get a free Nisku quote. More on Wall Spray Foam Insulation Alberta.