[Cob] Not asphalt paint, how about boric acid?

[Amanda Peck]

This seemed to go to just me.

I haven't tried boric acid, except in hidden areas when there was a 
cockroach problem.  Glad to get the links for it.

Wonder if it works for boring bees.


..............


wick_ at gmx.net wrote:
Has anyone here tried boric acid or other borates to preserve wood?

Description: http://www.fpl.fs.fed.us/pres_fire/types.htm#BP
Borate preservatives are sodium salts, such as sodium octaborate, sodium
tetraborate, and sodium pentaborate, that are dissolved in water. Borate
preservatives have received a lot of attention in recent years because they
are inexpensive and have low mammalian toxicity. Borate-treated wood is also
odorless and colorless and may be painted or stained. Borates are effective
preservatives against decay fungi and insects. Borate preservatives are
diffusible, and with appropriate treating practices they can achieve
excellent penetration in species that are difficult to treat with other
preservatives. Borate preservatives are standardized by the AWPA but only
for applications that are not exposed to liquid water. The borate in the
wood remains water soluble and readily leaches out in soil or rainwater.
Borate-treated wood should be used only in applications where the wood is
kept free from rainwater, standing water, and ground contact. An example of
such a use is in the construction of wooden buildings in areas of high
termite hazard. Borates are also used in fire-retardant treatments.

Pros & Cons: http://devinefarm.net/rp/rpboric.htm

Recipe: http://www.acbs-bslol.com/Gadgets/D97WoodRot.htm

All wood preservatives:
http://www.steve.gb.com/science/wood_preservatives.html

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