[Strawbale] Retrofitting & Maritime Canadian Winter

[David Neeley]

Shody,

Your point about "more floor space" is mistaken, when an existing
building is to be wrapped in insulation. After all, the original walls
aren't being moved.

I wrote him offlist and suggested using simple Larsen trusses to give
space for insulation and then suggested he blow in cellulose. That
would be faster and probably less expensive than bales, especially
since those who have experience generally still strongly recommend
stucco on the bales before adding the rain cladding.

I would also use a cementitious material (Hardy board or similar) for
the cladding in either case. In addition to better fire resistance, it
requires less maintenance than wood.

David

On 10/14/07, Shody Ryon <qi4u at yahoo.com> wrote:
>
> Hi,
> This is an interesting topic to me. I wonder why straw
> would be chosen over cellulose when cellulose could be
> used which is "green" and has a higher R rating so the
> either the R factor could be higher as in super
> insulation or the walls could be narrower resulting in
> more floor space. Depending on the shapes and sizes of
> the rooms, wall thickness might be very important.
> I would think that the difficulty of retrofitting
> insulation would suggest cellulose over straw too.
> I hope you will write more about this project and more
> ideas are posted.
> Cheers,
> Shody
>
>
>
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