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I want to reface my existing brick fireplace with a dry stack stone. If I am careful to really make good contact to my brick with a mortar bed, can I get by without having to use a wire mesh lath?
 

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I would definitely use the lath as old brick is not the best substrate as far as mortar adhesion is concerned. Plus with no grout between the stones it makes a stable mortar bed more important. Another consideration is how large an area are you covering as with a larger (especially with increased height) area the mechanical attachment becomes critical.
 

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so would i,,, old brick's not the cleanest surface for adhesion,,, why go to all this trouble for a makeover & not take ALL steps to ensure permanence ? ? ?
 
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