Primer not sticking to walls or ceiling


Old 07-24-12, 09:18 PM
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Primer not sticking to walls or ceiling

I'm in the middle of remodeling a bedroom with two closets in a house built in 1917. I primed and painted the bedroom walls without trouble. I used BULLS EYE 1-2-3 WATER-BASE PRIMER then a latex paint on top.

This evening I started to prime the bedroom walls with the same Bulls Eye primer and it would not stick. As I rolled the primer it would go on fine then when I took another pass to smooth the roller marks, the primer I just rolled on would come right back off. It's as if the primer is not sticking at all in some places. It looked so bad that I immediately scraped what I could back off the walls but some of the primer still stayed on. The first wall that I primed worked fine and the primer that stayed on the other wall after I scraped seems to be adhered very well.

The walls are a flat chalky finish. I have tested for lead using a self test kit bought at a big box store and it was negative. I also cleaned the walls with TSP before priming.

Does anyone have any ideas about what could be causing this? Thanks!
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Old 07-25-12, 04:39 AM
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Did you rinse the TSP well? While TSP is a great cleaning agent it must be rinsed well or it can affect adhesion. While I often use TSP on the exterior where it can be rinsed with a pressure washer [or water hose] I hardly ever use it on the interior.

The other thing that comes to mind is if there are any drywall/plaster repairs and the sanding dust wasn't removed - primer/paint won't stick.

What do you mean the walls have a chalky finish? paint won't adhere long term to chalk - it needs to be washed off if feasible otherwise add Flood's EmulsaBond to the primer or use an oil base primer.

almost forgot welcome to the forums!
Old 07-25-12, 07:07 AM
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What's the paint on the walls now? If it's oil based, you need to be using an oil based primer (latex paint can go on top of oil based primer).
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