Backer boards are waterproof boards which provide an extra layer of protection for your wetroom. At Bathroom2u we sell two brands of backer boards, Marmox Curved Board and PCS Backer. It is important to make sure you purchase the right backer board. Our friendly sales staff are happy to make sure you purchase the correct backer board. Make sure you measure your wetroom space so you know the size of backer board you want. Our rapid delivery and excellent customer service mean that we are the best place to purchase backer board from.