[Greenbuilding] Cob as an alternative to spray foam sealant?
natural building
naturalbuilding at shaw.ca
Wed Jan 26 15:53:51 CST 2011
Sheep's wool was traditionally used for caulking log homes.
You can still buy it ( http://www.goodshepherdwool.com ) treated with
Borax to make it more resistant to decay and fire (like blown
cellulose insulation) and it might work better in cracks because it
will swell, whereas cob is going to shrink as it dries.
Regards,
Steve Satow
www.naturalbuildingsite.net
naturalbuilding at shaw.ca
On 26-Jan-11, at 1:40 PM, Frank Cetera wrote:
> Is is doable to take wads of cob and seal up the cracks and air
> seeps that are throughout the shell of the house?
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