Installing vertical cedar siding over external foam and housewrap
I'm installing vertical siding (stained cedar boards, in the reverse board and batten pattern) over external foam (1.5 inch polyiso). My building department requests that I use a WRB over the foam. I was planning on installing the vertical siding directly against the housewrap, but I'm concerned that the cedar will eat up the tyvek housewrap. Is a reasonable solution to this problem to install strapping on top on the housewrap, so the cedar boards don't sit against the housewrap? Another option could be to flash the windows to the external foam, so when the housewrap goes away, I still have a working WRB (that being the external foil faced polyiso).
Are there other ideas? Obviously, I'm looking for the easiest solution that will ensure an effective WRB down the line.
Posted Wed, 09/25/2013 - 20:38
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