How To Paint Over Polyurethane

By Robert Robillard on How To

How To Paint Over Polyurethane Or Varnish Finishes

What You Will Need For This Project:

For this project there are several different tools that you can use.

1. 100 Grit Sand Paper

2. 100 grit Sponge sanding block

3. Respirator [See above]

4. Rags

5. Stain Solver [organic cleaner]

6. Green Scrub pad

7. Fan or proper ventilation

8. Wil-Bond Liquid surface Preparation

9. Oil Base Primer

10. Paint Brush suitable for oil based paints

11. Drop Cloths or sheets [if needed]

12. Box or window fan [if needed]

13. Saw horses or table if working outdoors

How To Paint Over Polyurethane Or Varnish Finishes

What To Buy:

I have provided online links for you to purchase these items online from one dealer.

1. 100 Grit sand paper sheets

2.  Drop cloths

3. TSP cleaner2. 100 grit sanding sponge

4. Wil-Bond Liquid Surface Preparation

5. Green scrub pad

6. #00 Steel wool [if needed]

7. Paint brush

8. Oil based paint

9. Paint thinner [for cleaning up mistakes, messes and brushes]

Common Mistakes:

1. Not etching the surface of the wood prior to applying the chemical Wil-Bond

2. Not rubbing the Wil-Bond chemical on until you feel a “drag”

3. Not using #00 Steel wool on heavily waxed surfaces

4. Not painting within 30 minutes

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About the author

Robert Robillard

Robert Robillard

Carpenter / Remodeler / Editor / Writer / Video Talent

Robert Robillard is a general contractor, carpenter and operates a remodeling company located in Concord, MA. He is the editor of and ToolBoxBuzz, and a has a weekly column in the Sunday Boston Globe. Rob is a recognized leader in tool and how-to information for building professionals, he hosts the Concord Carpenter Cable TV Show, offering advice on home repairs and maintenance. On his website, Rob uses his knowledge and experience to help and educate on best practices in the remodeling industry. His motto: “Well done is better than well said!”. Contact Rob at:

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