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- 1). Set-up the rented floor buffer with a medium-abrasion screening disk. Move it to one corner of the room and turn it on.
- 2). Immediately begin moving the buffer along the floorboards, in the direction of the flooring. The disk should take up the existing gloss and any other surface material without digging into the wood. Buff the entire floor.
- 3). Vacuum up the dust.
- 4). Set-up the buffer with its fine-abrasion disk. Re-screen the floor as before, smoothing out the surface. Vacuum again. The floor should be left looking dull and flat, with the gloss gone but the original wood top layer still in place.
- 5). Brush on a layer of polyurethane floor gloss, starting at the side of the room opposite the door (so you don't trap yourself in the room while finishing the floor). Brush the gloss onto the floor in the direction of the boards, slowly and carefully, so no bubbles form.
- 6). Allow the gloss to dry. Lightly sand it (by hand) with your extra-fine sandpaper, just enough to dull the shine.
- 7). Apply a second layer of gloss in the same way as the first. Let it dry, hand-sand it, and apply a third layer. For floors with more serious damage, a fourth layer can be applied. Let the final layer set for two days before walking on it.
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