LATICRETE 4-XLT is a multi-use, polymer fortified adhesive mortar designed for fast and easy installation of large-format tile or stone on walls, medium-bed installations to ¾” without shrinkage and thin-set flooring applications over virtually any approved substrate, according to the company. 4-XLT mortar uses the company’s new water dispersion technology to enable installers to control the consistency of the mortar for each specific application.