Concrete to Metal


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Old 01-19-07, 02:31 PM
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Question Concrete to Metal

What is the best way to secure metal against concrete? I'm using brass strips between concrete "tiles", should I just trust the weight of the concrete or use some type of epoxy. If epoxy, what do your recommend?
 
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Old 01-20-07, 06:27 AM
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What concrete product, what application and to what metal?
 
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Old 01-25-07, 11:10 AM
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Quikrete 5000 with acrylic fortifier. Brass metal around the rim of a concrete shelf.
 
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Old 01-25-07, 08:02 PM
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Technically, you do not want a bond between the metal and the concrete, since such a bond will most likely cause the concrete to spall at the joint. A bond breaker would be more appropriate.
 
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Old 01-26-07, 01:09 PM
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I'm not sure I follow that, are you saying you cannot attach metal to concrete with an adhesive?
 
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Old 01-26-07, 01:19 PM
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No, you can, the problem is that metal and concrete have different thermal characteristics, and since the concrete has a lower tensile strength than the metal, it could spall the concrete.
 
 

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