#11  
Old 05-23-2009, 07:25 PM
Dutchoven's Avatar
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Default Re: QUIKRETE Refractory Mortar Mix

I call it creamier...a mason friend of mine always said use type N unless there is some very specific reason to use something else...a mantra I have tried to remember
Best
Dutch
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  #12  
Old 05-27-2009, 08:11 PM
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Default Re: QUIKRETE Refractory Mortar Mix

If calcium aluminate has been added to the fire clay you could experience something called "flash curing".
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  #13  
Old 05-28-2009, 09:08 AM
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Default Re: QUIKRETE Refractory Mortar Mix

Ok let me get this, type N mortar mix is- 1part portland 1part lime is it 3 or 6 parts fine sand
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  #14  
Old 05-28-2009, 08:28 PM
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Default Re: QUIKRETE Refractory Mortar Mix

Quote:
Originally Posted by MAVANO View Post
Ok let me get this, type N mortar mix is- 1part portland 1part lime is it 3 or 6 parts fine sand
The recipe for type N for general bricklaying(to the best of my knowledge) is 1portland/1 lime/6 sharp sand...some older mason's around here say between 6 1/2 and 9 parts sand...but again for general bricklaying...for the oven chamber the recipe should be 1/1/3 with 1 part fireclay
Best
Dutch

P.S. As far as I know the Quikrete masonry mortar mix(the just add water type) in Lowe's or Home Depot would be with 6 parts sand
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Last edited by Dutchoven; 05-28-2009 at 08:31 PM. Reason: additional thought
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