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[Shop-talk] Basement shop insulation\vapor barrier question ...

Subject: [Shop-talk] Basement shop insulation\vapor barrier question ...
From: pethier at (pethier at
Date: Sat, 10 Dec 2011 21:54:53 +0000 (UTC)
Probably not a problem.  But if you are concerned, you could just stab of slash 
a bunch of holes in the kraft paper with a knife.

I have no paper in the 'glas batts in my shop walls.  There is kraft paper in 
the ceiling batts because I put it up from below and I needed the paper edges 
to staple them up to the joists (gravity was not my friend).  I put thick clear 
plastic lining the entire shop, walls and ceiling.  I don't know that that is 
giving me any problems after 13 years, but how would I know, not having removed 
any of the hardboard to look?

Phil Ethier West Side Saint Paul Minnesota USA
1973 Triumph Stag LE22439UBW "uncle jack", Sapphire Blue
2004 Suburban 8.1, Sport Red, the only automatic of the bunch
2005 Lotus Elise, Bordeaux Red Pearl
2007 Saturn Ion 3 2.4, Berry Red
pethier [at] comcast [dot] net

----- Original Message -----
> From: "Arvid Jedlicka" <arvidj at>
> To: "Shop Talk List" <shop-talk at>
> Sent: Saturday, December 10, 2011 12:39:48 PM
> Subject: [Shop-talk] Basement shop insulation\vapor barrier question ...
> I am replacing the on the exterior walls of my basement shop.
> The old insulation was just fiberglass batts with no vapor barrier
> covered by
> clear plastic. The new insulation is also fiberglass batts but it has
> the
> Kraft vapor barrier on it.
> I would also like to put clear plastic on the wall as it will be a
> while
> before I actually get around to covering the wall with anything
> meaningful and
> the solid sheet of plastic will be easier to keep clean than the Kraft
> paper
> and bare studs. But I am worried about having two vapor barriers ...
> the Kraft
> paper and the clear plastic ... and what damage might occur if vapor
> or
> anything else gets trapped between them with no place to go.
> Any thoughts on this? I am over thinking this? I am under thinking
> this? I am
> not thinking? What was I thinking?
> Thanks,
> Arvid

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