Yes, sanding floorboards can be done as a DIY project if you have the necessary skills, tools, and patience. However, it's important to understand that floorboards sanding can be labour-intensive and requires proper preparation and technique. Before attempting to sand floorboards yourself, make sure to research the process thoroughly, gather the appropriate tools, and take necessary safety precautions. It's advisable to practice on a small, inconspicuous area to get a feel for the equipment and the desired sanding technique. If you feel unsure or uncomfortable with the task, it is always a good idea to consult a professional to ensure the best possible outcome.