"We wanted to make sure it was super stable, and we chose to just get the underlayment so it would reduce movement." They did consider pouring self-leveling concrete instead, but it wouldn't have ...
While some advocate for installing tile directly onto the existing substrate, most advise using a backer product like cement backer board, cement fiber board, foam backer, self-leveling underlayment, ...
Portland cement-based, self-leveling underlayment designed specifically for the fast leveling of floors. ARDEX K 15 is recommended and specified by many quality flooring manufacturers, architects ...