shower pan failure

Thanks for the welcome. I am a professional DIY/installer with a small reno company and I'm always on the hunt for information and new products to make my installs go easier. I specialize in shower tear outs and installations but also do anything that involves tile. Most of the shower...

Our house was remodeled by builder/seller just prior to our purchase in 2003. Bathroom has a curbless shower. We've just realized that membrane has been laying flat on the floor. The tile above it slopes up as we walk in then down toward the drain. So the water has been spilling out under the...