It doesn’t even need to be dripping directly onto the surface. I’ll give you an example: I’ve seen A/C condensate water coming out of the roof drains of a building, and you can see a clear path where the water eroded away the cement, leaving the concrete’s aggregate exposed. I know water can do some impressive things, (Grand Canyon) but how does the water flowing over the surface actually cause erosion? Let’s say the gutter of a roof is allowed to drip onto a concrete surface, how exactly does it wear it away give enough time?
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If its a drip from a condensate, then co2 will be dissolved in the water to make carbonic acid.
A weakly acidic water will react with brickwork
If its a drip from a condensate, then co2 will be dissolved in the water to make carbonic acid.
A weakly acidic water will react with brickwork
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