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Close up image of a wood with peeling paint and underneath is another coat of a different color.

PAINT INCOMPATIBILITY – EXTERIOR

Loss of adhesion where a water-based topcoat is applied over many old coats of alkyd or oil-based paint.

Causes

  • Use of water-based latex paint over multiple coats of old alkyd or oil-based paint causes the old paint to “lift-off” the substrate.

Solutions

  • Remove the existing paint and prepare the surface – cleaning, sanding, and spot-priming where necessary – before repainting with a top-quality latex exterior paint. Follow appropriate safety precautions if the old paint may contain lead.
  • Prime any bare surface with a high-quality primer and allow it to dry thoroughly.
  • Paint with high-quality paint in the desired finish.

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What Sheen Do I Need?
8 Oz. Sample
1 Gallon
1 Quart
5 Gallon
The following product(s) is required to properly prep and pre-treat wood prior to any stain project.
Required product
BEHR PREMIUM ALL-IN-ONE WOOD CCCC
$0.00
The following product(s) is required to properly prep and pre-treat wood prior to any stain project. Only available in store at Home Depot.
Required 3rd party product
BEHR PREMIUM ALL-IN-ONE WOOD CCCC
The 9 in. x 1/4 in. Polyester Adhesive Roller Cover has a hard texture, making it ideal for applying all types of adhesives to smooth surfaces. It can be used for stippling and applying sand paints.
The following product(s) is recommended when stripping is needed.
$0.00
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