Papercreters: Re: [papercreters] Re: Petrefied Hessian

Tuesday, November 30, 2010

Re: [papercreters] Re: Petrefied Hessian

I honestly couldn't give you those answers yet. Once I have tried it I
will certainly post my results on here. It is used for the walls of
chicken houses, with the hessian stretched across a wooden frame. As I
live in one of the wettest parts of the country I will certainly be able
to tell you how waterproof it is.

Wayne

> How big of a building could you build with this? Could you use it as a
> waterproof coating for rammed earth, papercrete or strawbale?
>
> --- In papercreters@yahoogroups.com, "Wayne" <huon@...> wrote:
>>
>> After many weeks of painstaking research I have came across the recipe
>> for
>> Petrified Hessian as use here in Australia since the war and still used
>> today, so I will print it here and appreciate any feedback, especially
>> from anyone that tries it. I live in a very wet environment and will
>> post
>> feedback as to how it goes here.
>>
>> Wayne
>>
>> Petrified Hessian
>>
>> 5 liters water
>> 5.5kg cement
>> 900g lime
>> 450g salt
>> 225g alum
>>
>> Apply the mix immediately to the hessian with a stiff brush, first
>> outside
>> then inside. After the initial wetness goes but before the mix sets
>> apply
>> a second coat to the outside. When this final coat sets the material
>> will
>> be hard and strong. The mix should cover about 8m square. Keep the
>> surface damp for 3 days by spraying it with water.