A premixed one-pack, grey, water based, microfibre reinforced acrylic flexible waterproofing membrane that is easily applied with a brush to form a resilient waterproof/ flashing membrane between different building surfaces. Liquid Flash 1 will remain pliable and elastic and will bridge cracks and smooth irregular surfaces. Grey in colour and can be overpainted with water based acrylic paints to colour match surroundings. The cured membrane is resistant to UV and mild chemical attack. Conforms to AS/NZS 4858 Class 3 membrane for use in internal wet areas. Internal wet areas must be waterproofed in accordance with AS3740 and local regulations.