How To Paint Over Polyurethane

By Robert Robillard on How To

 How To Paint Over Polyurethane Or Varnish Finishes

Applying Wil-Bond:

• Saturate a rag with Wil-Bond and rub over the surface until the rag “pulls” or “drags.”

• Change the rag frequently as it picks up grease and dirt.

• Promptly dispose of these rags in a metal container. [They are a fire hazard]

• On heavily waxed surfaces use #00 Steel Wood saturated with Wil-Bond.

• Treat as much surface as you can prime in 30 minutes. The “tact” will only last that long.

How To Paint Over Polyurethane

Tip: Use the 3M green scrub pads to apply the Wil-Bond to contoured and detailed areas, such as moldings and window mullions.

Tip: Use a plastic pail or make one by cutting the top off a clean recycled container. Pour the Wil-Bond in your container and dip the green pad in to saturate.

How To Paint Over Polyurethane Or Varnish Finishes

Applying Primer

Make sure you have all of your priming supplies set up and ready to go. [oil paint, brush, paint thinner] Remember once you start applying the Wil-Bond chemical you have 30 minutes to apply primer.

Tip: Work in a left to right fashion and in a methodical manner.

For example:

  •  Do one side of a door at a time,
  •  One window sash at a time.
  •  Treat and prime one wall of baseboard at a time. [30 minutes]

How To Paint Over Polyurethane Or Varnish Finishes

9. Apply primer to woodwork: apply the oil based primer with a paint brush suitable for oil based paints. Prime all of the treated woodwork

10. Prime all of the surfaces you have applied Wil-Bond to with-in 30 minutes.

11. Apply Wil-Bond to a new area and prime.

12. Continue in this fashion until your project is primed.

Tip: You will need to keep your primer and paint brush handy.

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About the author

Robert Robillard

Robert Robillard

Carpenter / Remodeler / Editor

Rob Robillard is “The Concord Carpenter” Rob is a builder, general contractor, carpenter, woodworker, and editor of Concord Carpenter and ToolBoxBuzzr As a General Contractor and carpenter, Rob owns and operates Concord Carpenter LLC. A full-service remodeling and construction company. Rob is a recognized leader in home building best practices and a source for how-to information for building professionals. On this website, Rob covers all aspects of home construction, building science, home improvement, woodworking, remodeling, and some of the best product and tool reviews. Rob is in charge of our Tool and Product Review series - Concord Carpenter Videos where we post all of our tool reviews and video tutorials. Rob approaches remodeling and building construction with a pragmatic and problem-solving approach. He enjoys using his knowledge and experience to help and educate building professionals as well as DIYers on best practices in the construction and remodeling industry. He's a strong advocate for "raising-the-bar" in the construction trades and promoting the trades to youth. #BeAMentor #Green2Great Craftsmanship, quality, and pride guide his journey on this channel The Concord Carpenter's motto: "Well done is better than well said!" : Read more about Rob

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