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Please be more spesific and give more details to your question.What sort of isotation.
sorry . question not clear for me
Thanks for invitation
I am apologies to answer this question because it's not my specialist field
Its depended on the kind of crack & how deep is it go on ?
In general : we start traetment with clean the crack from dust , cut along the crack to have " v " shape of surface crack , then but the epoxy .
sorry . question not clear for me and give more details to your question.
I am sorry, i didn't understand the question.