Cob Re: earthen floors

[John Swearingen]

Keith,

Try using a fine grit of sand, something like #120 or #180, and slightly
increasing the ration amount of clay.

John


At 06:13 PM 4/25/99 -0700, Keith Breuker wrote:
>What is the method for troweling the final coat to get a tight,
>non-porous surface?  I seem to be able to do this part of the time but
>not with any consistancy even within the same well mixed batch of
>material. Have tried various ratios of clay and sand.  The bulk of the
>surface is porous and needs something like floor wax or polyurethane to
>seal the porosity.
>
>After sealing with two coats of Natural Choice linseed oil sealer a test
>coat of AFM polyurethane on a small area produced a nice smooth finish.
>
>
>-- 
>Keith Breuker - Engineer
>
>Straw Bale Owner/Builder
>Flyfishing Author
>Beulah, Michigan  USA
>616 882-5648   flyfisherkb at centuryinter.net
>

John Swearingen
Skillful Means.....Architecture and Construction

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