Production
From blank to favourite
It all begins with your wishes and ends with a solution tailored precisely to them. In between lie numerous production steps and over 75 years of experience. But let’s take it one step at a time.
Raw manufacture
Our products take shape as a raw product. We place a titanium alloy steel sheet in our deep-drawing press, which deep-draws the steel up to 50 centimetres thick at upt to 1500 tons of pressure. This gives the steel tub its interior shape. We then cut the metal, machine the rims, and press and stamp the holes for the drain and overflow. Our experts inspect each individual tub with their practised eye before the pre-treatment facility cleans and scours the material, making the raw product ready for enamelling.
Enamelling - coating
Enamel gives your steel tub its brilliant, scratch- and acid-resistant surface. It is made entirely from natural raw materials. At high temperatures, borax, feldspar, quartz, soda, aluminium oxide and other metal oxides are melted into enamel frits. These are the basic materials required for enamelling. The enamel frit is mixed with water and clay, then ground. This creates enamel slip, which we spray wet onto the steel blanks.
Enamelling – firing process
In the continuous furnace, the enamel slip is fired at 850 degrees. During this process, the base enamel bonds with the steel to form a composite material. We then apply a second layer of enamel using the same method, giving the tubs their colour and unique surface properties.
Inspection
We make no compromises on quality. For this reason, we carry out a double final inspection to ensure that no defective products leave our factory. If the finished steel bathtub passes this strict examination from our quality controllers, it is securely packaged and, if required, prepared for immediate delivery to the bathroom stockist.
Quality that convinces
