[Greenbuilding] Fwd: air barrier recommendations

[Mike O'Brien]

Hi, Reuben—

Say more about the floor? What’s the material? Will have a finish floor?

Best, Mike
Sent from my iPhone

> On Jul 11, 2022, at 3:58 PM, Reuben Deumling <9watts at gmail.com> wrote:
> 
> 
> Portland Oregon, dry hot summers; high humidity in the winter. 
> 
> I should have mentioned that I am skipping the plywood altogether. I am putting up rough sawn board-and-batten siding over the studs and blocking. My thought was to put that air barrier between those. 
> 
>> On Mon, Jul 11, 2022 at 3:35 PM John Straube <jfstraube at gmail.com> wrote:
>> Hey there Reuben.  A description of your climate would be helpful before I weigh in..
>> In most cases taping up the plywood or osb sheathing would often be a great solution. 
>> 
>>> On Mon., Jul. 11, 2022, 18:15 Reuben Deumling, <9watts at gmail.com> wrote:
>>> I hope there are still a few of you smart people out there. This list used to be so fun!
>>> 
>>> I'm a little rusty on this stuff. So your thoughts are much appreciated. 
>>> 
>>> I am building a 250 sf shop in my back yard. I am insulating the floor right away (R19 FG batts) and the walls and 12/12 metal roof plane sometime in the future. My hope is to affix a barrier of some sort (6 mil plastic?) to the underside of the joists (ca. 12" unvented crawl space beneath), and wrap the walls and roof plane with some sort of air barrier, but am not sure what a good product choice would be for 
>>> - under the floor
>>> - the walls
>>> - the roof
>>> 
>>> Thanks for all suggestions. 
>>> 
>>> Reuben
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