Zinsser or Kills oil base?

Geo-TH,In · Jul 14, 2019

I need to paint concrete block basement that has diesel fuel stains from decades ago when someone termite treated place with diesel and chlordane.

I think I'll need to use an oil base paint to cover diesel stains.
Not looking forward to the headache oil base paints will produce in a confined basement.

I using polyurethane designed for hardwood. It suppose to have low smells. Windows open, fans blowing and can't work on wood trim very long before it's headache time.

Glad I have 4 windows in basement that will open.

Planning on removing windows and installing a large squirrel cage furnace blower.

May have to use two blowers.

Have you ever had to paint over diesel stains? If so what did you use?

Janicholson · Jul 14, 2019

I have used it on wire brushed oil based painted concrete block walls. A wet wall is going to be trouble no mattery what. If dry, and stays dry I think it is a good choice. Jim
get a quart, and try it.

GEO-TH, In · Jul 14, 2019

I have a dry basement. Might try a sample of water based paint on worst spot

Stephen Newell · Jul 14, 2019

The diesel stain is a spot of oil. The majority of the oil will need to be removed or you will have adhesion problems. You might use dish liquid and a power washer. If that doesn't cut it you might use oven cleaner. Once dry you might prime the spot with a shellac based primer before painting. The concrete wall in general would paint easier with latex paint. If you want better paint you might use an elastomeric masonry paint. The smell from it though would be worse than enamel. You may need to paint the wall is sections and allow the fumes to dissipate.

Mike(NEOhio) · Jul 14, 2019

Purply Power full strength, then pressure washer. Several times.

rockgrower · Jul 14, 2019

I have not had a lot of success with the water based stain blockers, and problems may not show up immediately. A couple other options are available. Zinnser B-I-N is a great sealer with good adhesion, and can be topcoated very quickly. It is also thinner, so you don't use as much product and goes on quicker. Downside is very strong odor. Smell quickly leaves when dry and completely gone when topcoated. Fumes from oil based products will last much longer. Another product is Kilz Oderless. It is a decent stainblocker but is oderless when dry, not during during application (although much lower than traditional oil based). It is also much more expensive and harder to find than Kilz original. I am not an expert, but have used all of these products. My choice would be to use the B-I-N. Get in, get it done, get out, and the job will be taken care of. Also B-I-N cleans up easily with household ammonia.

GEO-TH, In · Jul 14, 2019

Removing the oil is impossible. They drilled holes in block and fill inside of the block

Hobo,NC · Jul 14, 2019

I paid 40 bucks are so for a 3M paint Respirator about 15 years ago it was worth it...

Stephen Newell · Jul 14, 2019

You have to try to cut as much oil from the surface as you can. Any paint you would use would certainly peal off.

GEO-TH, In · Jul 15, 2019

I have 2 respirators in truck. One is
full face for when dust is flying. Have
respirators in shop and pole barn too .
Even sawdust is hazzard in your lungs m

Yes to respirators.

GEO-TH, In · Jul 15, 2019

It's more of an oil stain. I'll brush it a little. Don't want to disturb the chloride in the oil.

Oil paint should bond to oil better than water paint.

ChuckMa · Jul 16, 2019

Kilz original oil base will probably the most successful product on oil stained concrete. Kilz is alkyd oil and will adhere to concrete better then water based or even Bin which is alcohol based. But as other others have clean as much oil off as you can or it will cause more problems later with stain bleed through and peeling if you don't . If you are going to top coat Kilz original is the better choice than Bin. Bin leaves a slight sheen and should lightly sanded before top coating. Kilz is ready to be top coated with out additional prep.

Zinsser or Kills oil base?

Geo-TH,In

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Janicholson

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GEO-TH, In

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Stephen Newell

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Mike(NEOhio)

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rockgrower

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GEO-TH, In

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Hobo,NC

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Stephen Newell

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GEO-TH, In

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GEO-TH, In

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ChuckMa

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