Attic spray foam insulation in Sylvan Lake very often means a roof that was never built for winter. A lake town carries a stock of buildings put up for summer use and converted since, and the roof is usually the part nobody got round to.
A roof built for July, over a house lived in through February
The original building needed a roof that kept rain off for three months. It did not need depth, it did not need an air seal, and on a great many of these there is very little of either. Successive owners then improved the parts they could see, so the windows are new and the kitchen is modern while the ceiling above them is close to what it was in 1975. That mismatch is the defining feature of an older Sylvan Lake house.
What a converted cottage attic usually has in it
Whatever was cheap at the time, added to in layers. It is common to find two or three eras of material lying on top of one another, none of it sealed at the ceiling plane, with the eaves blocked by the last person to top it up. The depth number looks respectable and the performance does not match it, because air is moving through the whole assembly.
Sealing first, and it is not a preference
Insulation slows heat moving through a surface. Sealing stops air carrying heat and moisture through gaps. Over a heating season running the better part of nine months, the air path runs continuously, so it accounts for far more than a depth figure suggests. Adding depth on top of an unsealed ceiling buries the problem instead of solving it, and on a converted building there are usually more holes than on a house built as a house.
The holes a conversion leaves behind
Every stage of the conversion put something through the ceiling: a bathroom fan where there was never one, a stack for plumbing that was added, wiring for a room that used to be a porch, a chimney that was removed and patched at the roof but not at the ceiling. Each of those is an opening, and finding them is most of the value on a Sylvan Lake attic job. A crew that goes up, adds depth and comes down again has not looked for any of them, which is why that approach so often disappoints an owner who has already paid for it once.
Attic Spray Foam Insulation Sylvan Lake: Common Questions
Why is the house still cold after a renovation? Almost always the ceiling. Renovations improve what people can see, and the attic is the part nobody looks at.
Is plenty of insulation up there already enough? Depth is not the same as sealing. On a converted building the air path usually costs more than the missing depth does.
Does it matter that the house was originally a cottage? Then expect several eras of material and a lot of penetrations from the conversion. Both get dealt with together.
How much does attic spray foam insulation cost in Sylvan Lake? A roof built for July over a house now lived in through February is the usual case, and a converted cottage attic rarely has what people assume is up there. Sealing comes first, and that is not a preference.
How do I choose an attic spray foam contractor in Sylvan Lake? Ask what they actually found in the attic rather than what is normal for the age. On a converted cottage the assumption and the reality are frequently different buildings.
Size the assembly with the R-value calculator, then get a free Sylvan Lake quote. More on Attic Spray Foam Insulation Alberta.