Universal Shower Base Proudly Australian Made and Family Owned Universal Shower Base has been designing and producing shower base and waste outlet products for Australian bathrooms for over 20 years. Whether you are building, renovating, extending, or creating something new, Universal Shower Base has a range of standard and custom size options to suit your space and design requirements. All our products are built to the highest quality and meet Australian standards. We use the latest technology and our experience to evolve our products, maintaining our position as the best shower base manufacturer in the market.