Wet Stone

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Stone Seal Pro – NS250

Breakthrough, Water Tolerance Technology

New, State-of-the-Art;  apply on wet stone, protects, waterproofs, resists most stains even red wine, minimizes dirt pick-up – for natural stone.

NS250 is the only sealer that can be applied over stone just power washed or rained on; simply blow standing water off. NS250 builds both a protective, engineered film on the surface and a penetrating, impregnating protective layer inside the surface pore system that produces a hard, long-lasting, stain, and traffic resistant surface.
NS250 brings the first roller-bearing concept to coatings. The unique surface causes vegetation, leaves, soil, and other discoloring particulate to naturally wash or blow off in rain or wind or with a hose removing the presence of potential staining. In addition, NS250 prevents/minimizes (virtually eliminates) unsightly red clay staining on natural stone even when embedded.
NS250 represents a new era in sealing technology. NS250 advances sealing efficiency by eliminating extra trips, waiting for surfaces to completely dry and being able to get more jobs and work finished each day.

Download detailed information regarding this product, including benefits, advantages, and application considerations below.

For more information regarding this product, please download our Data Sheet & Application Guidelines.

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Application Highlights


  • Natural stone


  • Ready for Traffic 2 hours
  • Full cure 48 hours
  • May slightly darken Limestone
  • Most applications only one coat required, very porous substrates two coats may be required (applied wet on wet)


  • Indoors and outdoors
  • Horizontal and vertical


  • One gallon bottles
  • Five gallon pails


Regulatory Compliance: VOC Compliance; This product is compliant with the following national, state, and district AIM VOC regulations, US environmental Protection Agency, California Air Resources Board SCM Districts, South Coast Air Quality Management Districts, Maricopa County AZ, and Northeast Ozone Transport Commission.