Floor Sanding Uneven Boards

You will have to sand around the edges of the room with the edging sander and sand the rest of the floor with the large drum sander.
Floor sanding uneven boards. Sanding stripping old uneven plank floors pine. Dealing with uneven solid wood floors requires extra steps but in most caaes can bring satisfactory results as. Spot fill any areas from which. Use the edger and a 50 grit disk to sand the edges.
Nail down any loose boards with finish nails. If you have really really uneven floorboards you could start by sanding with the large drum sander diagonally to the floorboards to even things out and then move on to sanding in the direction of the boards. When you re sanding nail heads will rip the sanding belt which costs you money or gouge the sanding drum which costs you more money. Testing lower grit paper on an uneven spot.
The initial sanding removing scratches dents and milling marks is the heaviest sanding. Sand the floor again with the drum sander this time using 50 grit sandpaper and sanding parallel to the boards. So countersink all nails by at least 1 8 in. To detect nails drag a metal snow shovel across the floor upside down.
It was something like a stud finder but actually measured the thickness of the wood.