Our hardwood has tons of surface scratches — would a screen and recoat fix that or is sanding required?

A screen and recoat can fix light surface scratches, but deeper scratches that catch your fingernail will need full sanding. The key test is running your fingernail across the scratches - if your nail catches, those scratches go through the finish into the wood itself.

Screen and recoat (also called buff and coat) removes only the top layer of finish using fine abrasive screens, then applies 1-2 new coats of polyurethane. This process costs $1.50-$3 per square foot in Ottawa and works well for surface-level wear, light scratches, and dullness that hasn't penetrated the wood. The existing finish must be in decent condition underneath for this method to work properly.

Full sanding and refinishing is required when scratches go into the wood, when there are deep gouges, water stains, or when the existing finish is failing. This process removes all old finish and a thin layer of wood, allowing for stain changes and complete restoration. Expect $3-$6 per square foot for full refinishing in the Ottawa area.

Professional assessment is crucial because attempting a screen and recoat on floors that need full sanding will result in poor adhesion and premature finish failure. The existing finish type also matters - oil-based finishes typically recoat better than water-based, and some older finishes may not accept new coats properly.

Most Ottawa homes with moderate surface scratching are good candidates for screen and recoat, especially if the floors were last refinished within 7-10 years. The process takes 2-3 days including drying time, versus 4-5 days for full refinishing.

For a professional assessment of whether your hardwood needs screening or full sanding, request a free consultation from Ottawa Floor Install.

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