Staining of existing mortar??

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Author Message Phil Kabza Senior Member Username: phil_kabza Post Number: 767 Registered: 12-2002 Posted on Thursday, July 27, 2023 - 03:05 pm:    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. Phil Kabza FCSI CCS AIA SpecGuy Specifications Consultants www.SpecGuy.com phil@specguy.com ken hercenberg Senior Member Username: khercenberg Post Number: 1584 Registered: 12-2006 Posted on Thursday, July 27, 2023 - 03:17 pm:    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:    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.