Bleed Through


  #1  
Old 05-02-02, 12:02 PM
Lumiere
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Bleed Through

We have bleed through on the paint on our white louvered doors, obviously not primed properly. Can I just prime over this paint or do I have to sand down to bare wood and start again.
 
  #2  
Old 05-02-02, 01:19 PM
KeithP
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What exactly is bleeding through? Tannin from the wood, knots? What type of wood is it? Interior or exterior door?

If knots, sand completely down to the knot, spot prime with a pigmented shellac primer such as BIN or SPS and go beyond the area of the knot. Some guys will actually burn the knots with a torch or heat gun before this step, but take care if you do. The trouble with knots is that they will always bleed and find their way around the spot-primed area sometimes. So, after priming knots, prime the entire surface, then paint. If tannin, sand the surface to expose as much as you can of the wood. Prime both sides and all four edges with a good oil primer, then paint.
 
 

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