[Cob] plastering

[phil]

The cob can be damp but needs to be firm before beginning another lift.

The light clay will need to dry out completely before plastering, which will depend on the thickness and the climate. It will sprout and then the sprouts will die. Plaster then.
 It is possible to plaster cob before it completely dries but you may have issues with cracking as the cob looses moisture.

Phil

-----Original Message-----
From: sly at riseup.net
Date: 08/12/2008 12:23 AM
To: coblist at deatech.com
Subject: Re: [Cob] plastering

Hello,

I'm about to do a workshop on light clay, cob and then finishing with
plaster.   My question is about drying times.  Can I do each layer the
next day or do I need to make sure each layer is completely dry before
applying the next.  The light clay will be stuffed in the walls and then
we will cob over that after putting up a metal mesh and then we will put a
finish sand clay plaster.

Thanks,
Sarah


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