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Close up image of a surface that has some cracking and flaking paint.

Causes

  • Use of a lower quality paint that has inadequate adhesion and flexibility.
  • Over thinning the paint or spreading it too thin.
  • Poor surface preparation, especially when the paint is applied to bare wood without priming.
  • Painting under too cool conditions or in warm, windy conditions that make latex paint dry too fast.
  • Use of oil-based paint over surfaces that undergo constant contraction and expansion.

Solutions

  • It may be possible to correct cracking that does not go down to the substrate by removing the loose or flaking paint with a scraper or wire brush, sanding to feather the edges, priming any bare spots and repainting.
  • If the cracking goes down to the substrate, remove all of the paint by scraping, sanding and/or use of a heat gun; then prime and repaint with a quality exterior latex paint. Old, flaking paint may contain lead, so precautions for lead paint should be followed.
  • Use high-quality paints that are formulated to provide a flexible film.

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What Product Do I Need?
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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 uncoated and previously coated concrete surfaces.
Required product
BEHR PREMIUM ALL-IN-ONE WOOD CCCC
$0.00
The following product(s) is required to properly prep uncoated and previously coated concrete surfaces. 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 a topcoat clear finish is desired.
$0.00
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