Cold storage spray foam insulation in Rimbey is work on cooler and freezer space in a farming town: a butcher or locker room, a cooler built into the back of a commercial building, produce and seed storage on a yard, and the walk-in that gets added to an existing shop. The physics of these rooms is the inverse of everything else we insulate, and that single reversal is what people get wrong.
The vapour drive runs the other way
In a heated building the inside is warm and wet and the outside is cold, so moisture pushes outward and the control layer belongs on the inside. In a cooler the cold side is inside. Moisture pushes inward, from the surrounding building or the outdoors toward the refrigerated space, all year and hardest in summer. That means the vapour control has to sit on the warm face of the assembly, which is the outside of the cooler wall. Put a membrane on the inside of a cooler and it becomes a surface for water to collect behind, and the wall never dries because the direction of drive never reverses.
A cooler never gets a break, and in this climate that is the point
Most buildings in central Alberta have a season off. Cold storage does not. The temperature difference across the wall is maintained every day of the year, so any defect is loaded continuously rather than seasonally. In mid-winter the difference may be small or even reversed, which sounds like relief but actually means the assembly spends part of the year with the drive running one way and the rest of it running the other. The only robust answer is an assembly that does not depend on which way the water is trying to go, and continuous closed-cell adhered to the structure is exactly that.
Why continuity matters more than thickness here
A refrigeration plant runs until the room holds its setpoint. Every gap, every unsealed joint and every uninsulated fastener line is a path, and the plant pays for all of them in run hours for as long as the room exists. Closed-cell foam sprayed as one unbroken layer eliminates the seams that a board or panel assembly creates, bonds to steel and concrete without a mechanical fastener through the insulation, and reaches roughly R-6 to R-7 per inch so the required value fits in a sensible depth. In a converted space, where the walls are rarely flat or square, that ability to follow an irregular surface is the difference between a cooler that holds and one that frosts up at the corners.
The floor and the door
Two details carry most of the failures. A cooler sitting on an uninsulated slab loses continuously into the ground and, in a freezer, can drive frost into the soil beneath. And the door is the only part of the envelope that opens, so a seal that has gone hard, a sweep that no longer touches, or a frame with no thermal break will frost up and keep frosting regardless of how well the walls are done. Both are worth inspecting before anyone quotes insulation.
Converting space that was never a cooler
Around here that is the common request: turn part of a shop or an outbuilding into a cooler for meat, seed or produce. The building was not designed for a continuous temperature difference, so the walls, the ceiling plane and the slab edge all need treating as a new envelope inside an old one. It is a smaller job than building new and a more particular one.
Cold Storage Spray Foam Insulation Rimbey: Common Questions
Which side does the vapour barrier go on in a cooler? The warm side, which is the outside of the cooler. That is the opposite of a heated building and it is the detail most often reversed.
Why does frost keep forming in one corner? Almost always a break in continuity or a door seal that is no longer sealing. Frost marks the path air is taking.
Does the floor need insulating? A cooler on bare slab loses into the ground continuously, and a freezer can push frost into the soil. It is assessed, not assumed.
How much does cold storage spray foam insulation cost in Rimbey? Priced per board foot across the sprayed area at the thickness the setpoint requires, so the target temperature and the room size drive it rather than the building it sits in.
How do I choose a cold storage spray foam contractor in Rimbey? Ask which face the vapour control belongs on. If the answer is the inside, they are describing a heated building.
Size the assembly with the R-value calculator, then get a free Rimbey quote. More on Cold Storage Spray Foam Insulation Alberta province-wide.