schluter ditra ditra xl schluter ditra ditra xl how to install schluter ditra on plywood ditra 54 sq ft 3 ft 3 in x 16 ft 5 in x 1 8 in thick uncoupling membrane how does ditra work to prevent ing schluter ditra heat schluter ditra heat duo tile underlayment schluter ditra schluter ditra ditra xl ditra heat schluter ditra underlayment should go under every new tile floor it helps to stop having a proper suloor underlayment material is vital for making sure your new tile installation doesn time lapse ceramic tile installation with schluter ditra tileheader2 recently i ve been following two tile installers and they swear by schluter ditra underlayment in short suloors plywood osb concrete move ditra failure ditra concrete jpg having a proper suloor underlayment material is vital for making sure your new tile installation doesn