"Water-repellency ... Did you know that ....?"
Product quality is fundamental to avoid problems in the future.
Saving a few Euros on a product that replaces a bathtub with a shower could prove to be a mistake: some products do not assure the strength and water-repellency needed for daily use. The safety and water-repellency of Novellini products are unbeatable, with no need for any masonry work.