[Greenbuilding] heat treated wood siding

[ErgoDesk]

Right, not to be confused with Kiln Dry






                       +.

Sincerely,
George Hawirko
*http://about.me/StyroHome <http://about.me/StyroHome>*


On Thu, Nov 12, 2015 at 5:17 PM, John Straube <jfstraube at uwaterloo.ca>
wrote:

> I am assuming Sacie you mean heat treated for cladding, not kiln dried or
> heat treated to kill bugs for shipping pallets
> For those who dont know about this process google "heat treated wood
> cladding” and you can read about it.  It involves heating to 180-200
> C/350-400F or so.  It causes a reduction in ductility, but apparently
> significantly enhances durability.
> One technique that is a bit less controlled is to flame treat the wood and
> char it. Some people like the look (e.g. architects) but it is a finicky
> process and often run off from rain results in significant staining.
> The controlled Scandinavian process of heat treating results in some
> excellent durable products, especially if it is painted right after (as a
> lot of this product apparently is). The common method is to heat in an
> inert gas atmosphere, but I have heard that hot oil is also used and has
> advantages
> It seems that it is quite durable, a natural pressure treatment.
>
> On Nov 12, 2015, at 4:56 PM, Sacie Lambertson <sacie.lambertson at gmail.com>
> wrote:
>
> > I am interested in this group's opinion about using heat treated wood on
> the exterior of a house in NE Kansas?
> >
> > Thanks, Sacie
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> John F Straube
> jfstraube at uwaterloo.ca
> www.JohnStraube.com
>
>
>
>
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