#1  
Old 06-25-2013, 01:46 AM
Peasant
 
Join Date: Nov 2012
Location: Yorkshire UK
Posts: 35
Default stucco finish question

Ok so I got my oven insulated last night and ready to mesh and stucco it now just wondering what mix to use or more to the point should I use a lime mix or just an ordinary Portland mix? I'm going to mix it about 4 to 1 with some sharp sand in the first coat for extra strength.

I'm unsure as I know the lime will let it breath but as I understand it will let water in as well as out but will have better strength and probably crack less than just cement. Any thoughts? Being in England I want the most water tight finish I can get as there won't be a roof over the oven so I may take some hammer in winter!

Keith
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  #2  
Old 06-25-2013, 04:47 AM
Tscarborough's Avatar
Il Pizzaiolo
 
Join Date: Oct 2009
Location: Ausitn
Posts: 3,117
Default Re: stucco finish question

Being in England, you have access to hydraulic lime, use that and you are GTG.
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Old 06-25-2013, 04:08 PM
david s's Avatar
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Join Date: Mar 2007
Location: Townsville, Nth Queensland,Australia
Posts: 4,840
Default Re: stucco finish question

Keith,
If doing a few coats of stucco/render each subsequent coat should be leaner than the previous one. Ie more lime less cement. The brew I use is 4:1:1 silica sand, cement, lime.
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