Resene MoulDefender is a fungicidal additive designed to be added to waterborne paint to inhibit the growth of mould. Suitable for use inside and out and ideal for wet areas such as kitchens, bathrooms and laundries, Resene MoulDefender will slow down the reappearance of mould. Use Resene Moss & Mould Killer to kill mould and sterilise surfaces then paint with Resene waterborne paints dosed with Resene MoulDefender and inhibit future mould growth.