TEC showcased its new 3N1 Performance Mortar and Double Duty Plus mastic at the Coverings Main Stage (#2843) at Coverings 2005, May 3-6 at the Orange County Convention Center in Orlando, Fla. TEC's 3N1 mortar combines the advantages of non-sag thin-set and medium-bed mortars, according to the company. In addition, TEC's new mastic is designed to create lasting bonds for large, heavy wall tiles and natural stones to a variety of substrates.