hi douglas,
it's a cementary base. we used a german product: ardex. but there are quite a few on the market- like beton ciré or the spanish product stn. [houzz FUGENLOSE BÄDER[(https://www.houzz.de/magazin/grenzenlos-schoen-9-fugenlose-baeder-und-ihre-techniken-stsetivw-vs~48615810)
best regards,
team honey and spice
That`s correct. You can find many similar named products for concretes. Material must be waterproof to build showers. We prefer a product from Swizerland " Crearev MSM" . Most important thing in bath rooms is the right sealer.
Best regards.
Beton²-Team
HONEYandSPICE innenarchitektur + design
Beton²