All About Water uses a high quality urethane sealer that comes with a 3 yr manufacture warranty. We start off with removing all mold,milder and dirt from the pores and joints of the pavers . We then acid wash them to remove all efflorescence. After that we resand the joints with sand . The final process is applying Three coats of our sealer to protect your investment. All About Water has been doing Paver sealing in St. Augustine and surrounding areas for since 2014