Share 'Rigid Foam (Polyiso) as a Weather-Resistive Barrier'
I have done much reading on the subject and am still in need of a final round of feedback on using foil-faced polysio board as a weather-resistive barrier (WRB).
I completed a project over the summer where I used Tyvek (lapped and taped) as the WRB with 3/4" foil-faced (FF) polyiso over the Tyvek, and then installed 1/2" wood sleepers beneath the new siding as a drainage plane and a…
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