[duro shine sealers-home page duro shine is on the leading edge of technology in quality, low v.o.c. sealers for your masonry, unglazed tile, slate, pavers, concrete, marble, granite, grout,stamped concrete, limestone, brick, clay, plaster and stone projects. we are innovators in low v.o.c. stone protection products......duro shine develops and manufactures high quality water-based products to the highest standards of performance...at realistic prices... we also have a great guid on how to seal tile]