HardieBacker boards are a moisture resistant substitute for drywall and backer board when tiling. The boards integrate "Mould Block" technology which has passed both of the industry-standard mould tests with a perfect score. HardieBacker is a completely water resistant product, making it a perfect choice for use in wet rooms, showers, bathrooms and kitchens, but they are beneficial when used in any room. Within the range, there are boards available in two depths, tape for the joints, screws to fix them and a purpose made knife for cutting the boards - giving you a comprehensive range of products for your titling job.