How To Fix A Low Spot In A Wood Floor

Use an underlayment floor leveler or floor patch product to fix low spots in a wood or concrete subfloor.

How to fix a low spot in a wood floor. High spots and bumps in subfloor. If your floor is natural unstained wood then try a few types of floor urethane on your test patch. It can also serve as a vapor barrier. This requires using a laser level to pinpoint the low areas and attaching the shims working on bare joists above a basement or crawlspace by gluing and screwing them to the joists.

Start the saw and lower the blade into the wood. Run it forward along the length of the board making sure not to let it cut into the edges. Water based urethane will dry clear while oil based formulations will impart a slight golden. Set the front end of the saw s flat blade plate on the damaged board with the blade held up off the surface and pointing in the same direction as the length of the floorboard.

If you have a drum sander on hand this can level out any bumps in the subfloor but you need to have a steady hand to control this.