Initial framing of main shower. including blue styrospan 1.5 inch placed against exterior end wall. To save wasted space, the end wall was built with 2x4 and 2x6 strapped flat against the wall, rather then built on edge. the shower gets a slightly raised floor built over 2x4 laid flat over the 3/4" subfloor.
A 3/4" rigid foam foil board was then laid crosswise over ther framed and styrospanned wall. The foil board itself is a vapour barrier, and does not need additional poly.
The end wall of the shower, showing a small portion of the completed and insulated long wall. The ABS pipe is a 1-1/2 vent that extends from the 45 degree stub shown several posts ago. I had more room available, so the end wall actually is two walls thick, an outer and an inner 2x4 wall both filled with Roxul, with the same foil backed 3/4" foam laid on top. The vent as can be seen is located essentially between both of the walls (look at the bottom plate)
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