This week we explain how to avoid those nasty, unforeseen renovation mistakes that can sneak up on you and blow out your budget. When most people renovate their bathrooms they are so caught up in picking tiles, baths and tap ware that they overlook the very important products that go beneath the bathroom. Failure to properly waterproof your bathroom can be a costly and time consuming lesson. So it’s time to get foundation savvy and put your bathroom tool belt on.