How to Sand and save a wood floor

Over time, a wooden floor can sustain a heavy amount of damage thanks to the weather, heavy foot traffic, and things constanly falling on it. So, it's always a good idea to refinish a floor every few years or so to make sure that it will last longer. This tutorial will show you how to sand and save a wood floor. It's a difficult task, so make sure you have the time and patience to do it. Enjoy!