[Greenbuilding] R12 for 3" of Roxul Comfortboard IS..

[Sacie Lambertson]

As I've been hitting hard the info on Roxul vs Zip Sheathing vs an
interesting John Straube wall plan that is deceptively simple (mostly blown
foam), I too am interested in the responses to using these materials.

Not so much interested in Passiv as near net zero.

Don't know what 'chip and slip' is though.

Sacie



On Sat, Apr 30, 2016 at 2:47 PM, Koehn Chris <chris at koehn.com> wrote:

> Following this discussion with some interest. Beginning stages of
> designing a small home with the aim of achieving Passive House using
> (mostly) natural- or healthy- materials.
> We built a house recently using 12” deep Larsen trusses with full “chip
> and slip” infill with clay plaster finishes. Great material, very labour
> intensive, dries slowly, not the highest insulative values (a problem with
> Passive House).
> So we’re keen to experiment with Roxul board (or other?) for a chunk of
> the wall, maintaining a 4-6” layer of chip and slip, presumably interior,
> to reap the hygroscopic benefits of the clay.
>
> Any thoughts or experiences with such a wall?
>
> We’re on Vancouver Island, so pretty low Delta T (at least for Canada) but
> nearly as many heating degree days as colder climes back east.
>
> Cheers,
>
> Chris Koehn
>
>
>
>
>
>
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