Installing new timber flooring can transform your home, enhancing both its beauty and value. However, before diving into picking the perfect flooring, it's crucial to ensure that your subfloor is in great condition. A flat subfloor is vital for a smooth finish and the durability of your flooring. This guide will help you check the flatness of your subfloor. We will cover essential tools, techniques, and detailed steps to help ensure you are well-prepared for your timber floor