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Blocking

Interior Paint Blocking

Blocking is the undesirable sticking together of two painted surfaces when pressed together (e.g. a door sticking to the jamb).

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Blocking is the undesirable sticking together of two painted surfaces when pressed together.
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Possible cause

  • Not allowing sufficient dry time for the coating before closing doors or windows 

Solution

Use a premium semi-gloss or gloss acrylic enamel paint, Dulux recommends Dulux Aquanamel®. Some water-based paint coatings exhibit a greater tendency to show poor block resistance, ensure that the paint being used is suitable for the area you are coating. Follow paint label instructions regarding dry times. Acrylic enamel paints have better early block resistance than vinyl latex paints, or solvent-based enamel paints.

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Want to change but don’t know where to start? Dulux Help & Advice are expert consultants who can help you with colour advice, product selection and application, everything you need for your next paint project.

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