Cob earthen floors

[Debra Lombard]

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Anne McMahon wrote:

> hi everyone,
>
> I need to find out some stuff about earthen floors, if you have the time
> I'll appreciate hearing about your experiences and knowledge on the subject.
>
> There is a community garden group who wish to put an earthen floor down in
> the strawbale shed (8 X 10 metres) they are building. They are laying a
> 100mm / 4" concrete raft floor first and want to lay the earthen floor over
> the top. After a costing (economic only) was done it is cost effective to
> lay the concrete raft as the base and at this stage that is the only
> arguement for doing it.
>
> I need information to help make an assessment as to whether this is a good
> thing or not and aslo some information about earthen floors.
> What are you thoughts about laying the concrete first?
> Will an earthen floor sit comfortably over the concrete?
> If so what finish would you recommend on the concrete?
> How thick should the earthen floor be?
> What's a good recipe / are their different layers?
> Is the mix prepared like cob and compacted or wetter and layed like concrete?
> What's been used as a stabiliser/hardener?
>
> Thankyou
> Anne
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