1. Sand the floors and remove the old finish using a sander, going with the grain to follow the correct sanding direction. Corners should be done carefully using a hand sander to ensure proper floor preparation during hardwood floor refinishing.
2. Pick out the nicks and gouges on the hardwood to repair any surface damage and achieve a smooth surface before you begin to refinish hardwood floors.
3. Remove the moldings and trims carefully. Then dust and clean up the floors and walls thoroughly to ensure no debris remains before proceeding with professional hardwood floor sanding and refinishing.
4. Vacuum the floor completely and wipe with a tack cloth, which is a wax-impregnated tool designed for dust and residue removal. Use multiple cloths if needed.
5. Select the stain color and apply one coat. After the recommended drying time (usually 4–5 hours), apply another coat for an even staining process during refinishing hardwood floors.

AFTER YOU’VE COMPLETED ALL THE SANDING, PLEASE SELECT A SEALER

Floor Finishing Options for Sanding and Refinishing Hardwood Floors
Type of Finish Depends on the Look You Want on the Floor.

• Penetrating sealer: A natural-looking finish that brings out the wood’s grain. However, it may darken over time. Penetrating sealer is less durable than polyurethane but easier to spot-repair. It offers good protection, especially when waxed — this is a classic option in the finish application process.
• Varnish: Available in matte to glossy finishes. Varnish often darkens with time. The rule is: the higher the gloss, the more durable the surface. Varnish is a solid choice when aiming for both beauty and resilience in hardwood floor refinishing.
• Polyurethane: This can be oil- or water-based. Polyurethane finishes are the most preferred stain for sanding and refinishing hardwood floor projects and are great for high-moisture areas. Oil- and water-based urethane floors typically yellow more than other finishes and have more of a plastic look. Keep in mind that if the finish gets nicked or gouged, it’s difficult to spot-repair — making the initial finish application even more important. 

Tip: Sand and Seal the Floors Within 24 Hours

Try to sand and seal the floors within 24 hours to help prevent the wood surface from absorbing excess moisture during your professional hardwood floor sanding and refinishing project — this also improves the durability of the finish.