Can Engineered Hardwood Floors Be Re-Stained?
The good news here is that engineered hardwood floors are built for durability, and it's pretty hard to mess up the stain for several years. While installing engineered hardwood floors is a good do-it-yourself project, re-staining may not be a job you want to tackle.
Where engineered hardwood floors are made of 2 or more layers, the top layer's thickness, meaning the exposed flooring, is thin. Over time, the flooring may also get some slight warping. For these reasons, it is important to have the sanding done by a professional.
The last thing you would want to do is sand through your flooring to the layer beneath. After it is sanded, you may stain the floor yourself to save money.