Efficient Home Wall Assembly Examples (With Costs)

Curious which way to go with the building envelope on your new home build?
Casey shares some different examples of wall assemblies and the products used, to give a sense of some high performance options, the R-values and costs associated with different building materials

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[ericthecheat]

When you install a smart air/vapor barrier like Intello on the interior, how can you make penetrations into the drywall for things like hanging art or a TV? 1:52

[jayrp]

If you install xps foam on the exterior with fibreglass batt insulation is a Vapor barrier still recommend, I’m in Ontario not too far from you.

[christromp]

Very Interesting video. What about Passive Housing?

[ErichNolanBertussi]

is there a rule of thumb/heuristic that can apply to r values of walls when trying to make an offgrid or grid collapse passivhaus that can remain warm in winter up to -50C or cool in summer up to 50C?

[Fitchyanny]

hi mate, when you say square foot, is that generic square foot or the wall area?

[ryansoo]

So when you’re giving prices per square foot for materials I'm guessing that you are calculating these for the wall area - ie a 10' long wall that was 10 feet high would be 100 sq' so 100sq' of WRB.
But when you're giving a square foot cost for something like Roxul cavity insulation should you deduct the wall area taken up by framing members inside the wall? For example, if the framing takes up 30% of the 100 sq' wall area you’d really only need to buy 70 square feet of cavity insulation instead of 100 square feet.

[fundamentalcleaning]

Is this per wall sq ft or floor sq ft cost?

[kino_cinante]

Adhero looks like a lot more work than zip