08:50AM | 04/01/04
Member Since: 03/31/04
1 lifetime posts
I had a brick patio laid last summer. Over the first couple of months, the brick got whiter and whiter. My landscaper told me this was due to the mortar seeping through. He was going to fix this and then disappeared. I would like the brick to be RED again. After I've cleaned off the white, I would then like to seal it, to protect it. Any ideas as to how to clean the white off the brick???


03:49PM | 04/02/04
Member Since: 11/06/02
1281 lifetime posts
generally, when efflourescence happens, there is water passing trough the masonry. For water to come to the surface from under it, I suspect that the contractor failed to detail adequate drainage and if so, this will hasten the eventual aging of this patio.

A weak acid wash followed by clear water rinse will remove it. Masons use 10% muriatic acid but this can be dangerous for the average homeowner to use and store. Try plain white vinegar scrubbed in. Spic and span is also reputed to be effective.

Excellence is its own reward!



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