Will not crack or shrink.
Can you use plumbers putty on cultured marble.
Stain free plumber s putty on granite marble quartz sandstone and other natural porous materials.
Plumber s putty can and will cause staining on any of the cultured products such as cultured marble granite and onyx.
Do not use on cultured marble.
However if the damage has already been done do not worry.
However you do need to provide a sealant between the drain and your new cultured marble sink.
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.
They sell two types of plumbers putty one that is stain free and is for use on stuff like marble granite quartz etc.
Stuff that is more porous than stainless steel or whatever.
Sta put ultra plumber s putty is designed for use on granite stone marble and other porous surfaces.
If you check the label on your plumber s putty you should see a note that says something to the effect.
For this reason plumber s putty should not be used on naturally absorbent surfaces such as marble.
Plumber s putty creates a waterproof seal around fixtures and faucets.