Yesterday I received my long awaited order of window cills, in very light yellow colour "Bath". They are still shrink wrapped on their pallet as they arrived. I noticed that some of them have large white patches, like discolouration, as if their yellow colour had washed away, and was told this is a natural phenomenon called "Lime Bloom". Maybe it is, and yes I have seen the white patches on new houses on the brickwork from time to time. However these cills arrived yesterday, still unopened. "Lime bloom" took place at the yard where they got stored, before they were delivered. Should I try to give them back or should I stick with them and hope the discolouration washes away?
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Lime bloom on new window cills
- Thread starter akist
- Start date
are they stone? Or cement based artificial?
New stone is often very wet, and dries out. They call it "quarry sap" and it will leave lime on the surface, which will weather off in time. New concrete can do the same, called efflorescence.
Don't try to wash it off. Water will just cause it to get reabsorbed. You can use a soft dry brush if you want, or ignore it until it goes away.
New stone is often very wet, and dries out. They call it "quarry sap" and it will leave lime on the surface, which will weather off in time. New concrete can do the same, called efflorescence.
Don't try to wash it off. Water will just cause it to get reabsorbed. You can use a soft dry brush if you want, or ignore it until it goes away.
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