Mer-Krete Systems has unveiled its new patented Thin-Set 801.The product does not require normal evaporation in order to dry, the company notes, and can be used as an adhesion product for ceramic tile, stone and porcelain tile. The product cures within three hours, allowing for same-day grouting. Thin-Set 801 is also designed to meet ANSI A-118.4 requirements, adhering to sound substrates. Circle 164 on the Reader Inquiry Card.