Cover the entire floor, up the walls about one foot, and the entire shower area (walls to ceiling) and floor with the membrane, ensure every inch is covered well. Apply a second coat as per the manufacturer’s instructions to ensure a water-tight seal.
Learn more in our article, ‘How to install bathroom tiles’, where you’ll find a section on making a bathroom water-tight.
It’s important to note that you will need a compliance certificate for your waterproofing if you are putting your bathroom renovation through the council. In such a case, water waterproofing must comply with Australian Standard AS 3740. Thus, you will need to hire a qualified waterproofer who has completed a Certificate III in waterproofing to waterproof your bathroom.