[Greenbuilding] removing paper facing from (new) fiberglass batts?

[Norbert Senf]

Not an expert on cathedral ceiling constructions, there has been some
really detailed info on this site from experienced builders.
However, if you can seal it on the warm (conditioned space) side, you are
theoretically good to go as far as moist warm house air condensing inside
your insulation goes. At a cathedral ceiling the positive "stack effect"
pressure magnifies any air leaks, so it is really a matter of an air
barrier. A poorly detailed pot light could be your ruination in a severe
enough climate, and I doubt some paper on the insulation would matter in
that case.............Best...............Norbert

On Sat, Feb 4, 2017 at 11:06 AM, Reuben Deumling <9watts at gmail.com> wrote:

> Norbert,
> I'd be so pleased to leave the paper on. I thought I'd learned right here
> that having more than one barrier inside a wall cavity was a no-no.
>
> As for Roxul, that is a thought. I haven't bought anything yet so that
> would be an option. A good deal more expensive, and if what Norbert is
> saying is valid for a cathedral ceiling, then I'd be inclined to go the
> easier, cheaper route.
>
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-- 
Norbert Senf
Masonry Stove Builders
25 Brouse Road, RR 5
Shawville Québec J0X 2Y0
819.647.5092
www.heatkit.com
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