Your rubber pan liner will create the issues. Schluter products are literally designed for this stuff. Rubber pan liner are outdated. I'm a pro tile setter. We haven't used rubber pans in almost 10 years. There are so many better modern methods of waterproofing.
Mitoshi t1_je9b3yd wrote
Reply to comment by jaaassshhh in concrete shower pan with corner bench -- but forgot to build bench. what to do? by jaaassshhh
Your rubber pan liner will create the issues. Schluter products are literally designed for this stuff. Rubber pan liner are outdated. I'm a pro tile setter. We haven't used rubber pans in almost 10 years. There are so many better modern methods of waterproofing.
Good luck though 👍🏻