A reader's Concrete and Concreting question: Efflorescence in slab?
Scott C. from Olivehurst, US had this question about efflorescence in a slab.
One of the most unselfish, informative sites on building I have seen.
I have 35 yrs in building/remodel.
Regarding efflorescence: A Client calls and says small pyramids 13-18mm high appear on the hearth (floor level, slab)I am thinking that its water source is subterranean induced by poor perimeter drainage outside and introduced by hydrostatic pressure and capillary action. Any thoughts??Scott
Hi Scott, Thanks for the kind words about the site. Obviously they count a lot more coming from a guy like yourself. I have to agree with you about the efflorescence you mention.
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