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Phil Kabza
Senior Member
Username: phil_kabza

Post Number: 767
Registered: 12-2002

Posted on Thursday, July 27, 2023 - 03:05 pm:   Edit PostDelete PostPrint Post

Reaching out to see if colleagues have had any experience with "fixing" mortar color by applying stain. Contractor used wrong color mortar and is now proposing this solution in lieu of an extensive tear down. Dubious.
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ken hercenberg
Senior Member
Username: khercenberg

Post Number: 1584
Registered: 12-2006

Posted on Thursday, July 27, 2023 - 03:17 pm:   Edit PostDelete PostPrint Post

I've had to stain entire brick walls and CMU walls For correcting mortar I would prefer repointing. Please do not use paint.

Consider contacting Nawkaw, Edison Coatings, and Jahn/Cathedral stone to see what, if anything, they can do.
John Bunzick
Senior Member
Username: bunzick

Post Number: 1925
Registered: 03-2002
Posted on Thursday, July 27, 2023 - 03:25 pm:   Edit PostDelete PostPrint Post

I've only ever corrected this with repointing. One thing to consider: leave it as is with the wrong color (gasp!). Of course, I don't know what it looks like, but, this may be one of those situations where the fix may be worse than the cure - is it really going to look better after all that remedial work? I've made this mistake (though not with mortar color) and after rework it looked worse because it looked patched. A sizable credit to the owner could be on the table approaching the cost of the rework.

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