I understand that some stones that are more porous than others and one application of sealer/impregnator may not be enough. But how will I know?

Q. I understand that some stones that are more porous than others and one application of sealer/impregnator may not be enough. But how will I know?

A. On granites, at least two applications are recommended, with at least two hours in between applications. Very porous granites, sandstone, quartzite, etc. may require three or more applications. To find out if your stone is perfectly sealed, spill some water on it and wait for approximately half an hour, then wipe it dry. If the surface of the stone did not darken it means that the stone is perfectly sealed. Use this same test to determine when it is time to reseal.

Article ID: 1
Created On: Wed, Feb 28, 2007 at 12:15 PM
Last Updated On: Wed, Feb 28, 2007 at 12:15 PM

Online URL: http://stoneandtilepros.com/kb/article/i-understand-that-some-stones-that-are-more-porous-than-others-and-one-application-of-sealer-impregnator-may-not-be-enough-but-how-will-i-know-1.html