However if the damage has already been done do not worry.
Can you use plumbers putty on cultured marble.
Plumber s putty creates a waterproof seal around fixtures and faucets.
They sell two types of plumbers putty one that is stain free and is for use on stuff like marble granite quartz etc.
Stain free plumber s putty on granite marble quartz sandstone and other natural porous materials.
For setting frames faucets and basket strainers use this oatey 9 oz.
However you do need to provide a sealant between the drain and your new cultured marble sink.
I recommend that you use silicone.
Sta put ultra plumber s putty is designed for use on granite stone marble and other porous surfaces.
The stain can be removed through a marble cleaning technique known as poulticing most of the marble used to create kitchen counters is synthetic or cultured marble not true marble.
Plumber s putty can and will cause staining on any of the cultured products such as cultured marble granite and onyx.
For this reason plumber s putty should not be used on naturally absorbent surfaces such as marble.
Will not crack or shrink.
The oily ingredients found in the compound can stain porous material such as marble and leave behind a yellowish mark.