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How many coats to refinish a hardwood floor?

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We are refinishing 50 year old hardwood floors. The old varnish was just flaking off. How many layers of polyurethane will it take to create a durable finish. Our 70 lb dog will be walking on these. Also does it matter how thick or thin the layers are?

Apply a minimum of 3 coats, scuffing between coats with 000 steel wool. Vacuum the dust and apply the next coat. Oil will give you the most durable finish. Hope this helps.

3 Responses to “How many coats to refinish a hardwood floor?”

  1. woodtick314 Says:

    Apply a minimum of 3 coats, scuffing between coats with 000 steel wool. Vacuum the dust and apply the next coat. Oil will give you the most durable finish. Hope this helps.
    References :

  2. seamstress Says:

    Woodtick is right, again.

    For better adhesion, it is better to use thin coats, rather than thick coats of polyurethane. Apply the polyurethane a few boards at a time, the entire length of the boards. This prevents overlap shading marks at stop and start areas.

    Allow the final coat of polyurethane to fully dry before loading any furniture in the room. And, use felt pads on every leg of every piece of furniture to prevent scratching the newly finished floor and to make it easy to move the furniture so you can chase those dust bunnies.

    Good luck.
    References :

  3. Clara M. Says:

    Woodtick – thumbs up!
    References :

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