David here
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I need to know the best or acceptable sealants for a drain popup in a faux-marble sink.
I had to replace a broken sink drain popup last week. When I read the plumbers putty can, it says emphatically not to use it on plastic or "marble." Short on time, I found a used tube of old white "silicon II tub & tile caulk" and applied a bead around the drain opening before installing the popup tube. Then I let it cure 3 days. (I must have confused it with acrylic or blended material.) Today, I find the sealant is still not cured, as the fillet is smearable around the edge of the metal collar. Bummer.
Looks like I need to replace the stuff with acrylic sealant instead --that looks like what I had used before. I don't trust the thin rubber gasket in this kit. But what is the real problem with plumbers putty anyway? Does it attack the phony marble or just stain it?
I had to replace a broken sink drain popup last week. When I read the plumbers putty can, it says emphatically not to use it on plastic or "marble." Short on time, I found a used tube of old white "silicon II tub & tile caulk" and applied a bead around the drain opening before installing the popup tube. Then I let it cure 3 days. (I must have confused it with acrylic or blended material.) Today, I find the sealant is still not cured, as the fillet is smearable around the edge of the metal collar. Bummer.
Looks like I need to replace the stuff with acrylic sealant instead --that looks like what I had used before. I don't trust the thin rubber gasket in this kit. But what is the real problem with plumbers putty anyway? Does it attack the phony marble or just stain it?