With the oak flooring sanded back to bare timber, the next stage is to recoat the floor with your chosen finish. The most common mistake we see in floors done by do-it-yourselfers is timid sanding: a floor that still looks dingy because it wasn't sanded aggressively enough. Unfortunately you can get the same effect on your sanded floor, only it doesn’t look quite so cool. Most floors in the Twin Cities were installed prior to 1950 and will require a starting grit of 24. Tel: 0845 4599941 Mobile: 07545 071446 Email: email@example.com This will ensure that the freshly sanded flooring does not become marked in its unprotected state. Best Answer. We recommend using a sander which can connect to a dust extractor, which not only protects yourself from harmful particles, but also ensures a much cleaner work area. With all the safety checks in place, and the room removed of any obstacles, the stages of sanding your oak flooring can begin. Learn how to use a floor sander to sand floorboards and then how to sand the edges, close to the skirting boards, using an edge sander. This oak floor was fully sanded with our expert sanding machines. You’ll get a better blend with the cut from the drum sander and edger if you sand your radiators or under your toe-kicks after all the other sanding is done. Let me talk you out of staining your floor, Dura Seal: Our favorite oil-modified finish, How to apply DuraSeal oil-modified polyurethane, Hardened Oils: the Future of Hardwood Finishes is Here.