What is the most practical air sealing technique for new construction?
I am building a home in climate zone C4. My wall assembly will consist of 2×6’s on 24″ centers, OSB sheathing, then a layer of 1″ XPS insulation, with my wrb on the outside of the insulation. I will then have rough cut reverse board and batten siding.
What is the most practical method of air sealing my house? I have read articles where people caulk around every stud and framing member on the inside of their wall cavity. Is this best? Wouldn’t it be easier to caulk around the outside edges of my sheathing? What kind of caulking do you recommend? Or should I tape it? and if so, is there some kind of tape that will adhere to OSB permanently and is readily available (big box store)?
I was not planning on taping my seams on the xps insulation. Partly because it will be behind my wrb and partly because I haven’t heard of a tape that works really well. Is this foolish?
Thank you for any advice. It is very much appreciated.
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