[Cob] AE contents

[dirtcheapbuilder-Charmaine Taylor]

Hi Pack--   you need the regular Henry 107 brand   it is only water- 
bentonite clay and and  tar ( asphalt)

The Henry 107 or Blackjack brand fibered emulsion is the same-- no  
vinyl etc.   the MSDS on  the low tech AE is non toxic and non off 
gassing. [ it does have a smell upon opening the can, but it 
dissapates...everything "offgasses"...even  BUTTER has molecules you 
can smell  : > ]

basically  asphalt  emulsion is  droplets of tar and clay which will 
stick to any dry surface once the water evaporates in the mix.  I DO 
like it for many areas where water proofing and resistance is needed.   
adobe  stabilized today  by manufacture s contain 5% AE, and many 
concrete slabs are coated with it to prevent mositure to come up thru 
the slab, it has been recommend by stawbuilders  for  floor slabs.


there will be those  who say not to use it...but pick your battles-- if 
you have used cement for anything you are gone non-natural.  The 1920's 
Rubberslate formulas have AE as a prime component with shredded 
cardboard and clay ( sounds like papercrete eh?) to make durable 
cushinony floors and water proof plasters.

A friend saw my experiments and used it in earthen plasters around 
windows and doors on the weather side of her bale house. sticky and 
messy if more than 20% is used...but it does the job.


On Feb 19, 2005, at 4:04 AM, Pack McKibben wrote:

> I bought some AE from Home Depot and was
> wondering if this is what others have used?
>
> Brand: Henry
> Type:  PM2000 Premium Driveway Sealer/Filler
> Contents: Asphalt, Clay, Silica, Ethylene-Vinyl
>            Acetate Copolymer, Water
>
> If this is NOT a good formula to use, what brand,
> type, and exact contents should I look for?
> pack
> web2.hartemc.net/~owlswamp
>
>
>
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