CRACKING

Checking, Splitting, Crazing, Crowsfeet

Cracks or lines of various lengths and widths in the topcoat finish often resembling the cracking of dried mud.

CAUSE

• Excessive film thickness of the undercoat and/or topcoat.
  
• Refinishing over a previously crazed/cracked surface.
  
• Insufficient flash time between coats and/or force drying undercoats using air from the spray gun.
  
• Mixing incorrectly or using too much hardener.
  
• Paint ingredients not thoroughly stirred or agitated.
  
• Breakdown of finish due to prolonged exposure to sunlight, moisture, and extreme temperature changes.
  
• Using generic reducers and/or hardeners.

REPAIR

Remove all cracked paint film and refinish.

PREVENTION

• Apply all materials following label direction.
  
• Completely remove crazed/cracked finishes before refinishing.
  
• Do not force dry undercoats by fanning with spray gun air.
  
• Mix ingredients thoroughly using the recommended additives. Add each component in proper sequence following the recommended mixing ratio.
  
• Stir or agitate materials thoroughly before use to ensure all ingredients are in solution.
  
• Use premium two component undercoat and topcoat system to provide maximum gloss and durability.
  
• Use the recommended thinner/reducer and hardener, and then measure accurately.

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