blue spot bleeding through walls after primer


  #1  
Old 06-23-06, 08:23 PM
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blue spot bleeding through walls after primer

Some help needed here.

I TSP'd the walls to get them ready for primer. As I sprayed the TSP on the wall I noticed a blue spot a little smaller than a dime start to bleed like ink. I wiped it down and then primered over it. Very quickly the blue spot bleed through as if never even primered over. I spackled and primered over the spot atleast 7 times and it still bleeds through as if fresh.
I've been using Killz2 primer as I heard this was the best.

My first question is what can this blue spot be?

And how do I get rid of it?

Thanks for any help.
 
  #2  
Old 06-23-06, 09:24 PM
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I'm guessing you are using the latex kilz? I've never had a problem with original Kilz.
 
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Old 06-23-06, 11:10 PM
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Try BIN shellac primer in a spray can. Shellac works well to stop odd ball stains from bleeding through.
 
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Old 06-24-06, 04:22 AM
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Any shellac based primer will seal the ink. Oil base might but latex never.
 
  #5  
Old 06-24-06, 10:59 AM
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Originally Posted by m3power
I've been using Killz2 primer as I heard this was the best.
That information would be incorrect
In fact, I find it...not good at all
The original (oil-based) Kilz is pretty good though
Regardless, you need to seal that well
At this point I'd take the next step up
I'd recommend a shellac-based primer/sealer
The BIN is my personal favorite, and it comes in a spray can so there's no need to buy a throw-away brush
 
 

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