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We painted some cabinets with a single coat of a waterborne alkyd product, but now want to paint them over with a straight oil finish (for our own reasons). What is the preparation for doing this to insure a proper bond?

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Test a hidden small area first. Oil over any latex base may cause an alligator skin effect and ruin your cabinets. –  shirlock homes Jan 13 '13 at 16:02
    
Will sanding or priming over the waterborne product prevent this from happening? –  RET Jan 13 '13 at 16:13
    
I cannot say for sure. The rule of thumb is latex over oil is fine, oil over latex disaster. –  shirlock homes Jan 13 '13 at 17:16
    
True for latex paints, but what of waterborne alkyds? Alkyds are the chemical base for most oil based paints. I would think oil base over such a product would be OK provided the base layer is fully dried and an appropriate surface prep is preformed, but I don't know really. Interesting question once it is fully understood. OTOH, there's very little reason to use oil based paints any more. –  bcworkz Jan 13 '13 at 20:48
    
I was reading about Water borne color alkyds. Even though it is oil solvent free, it is not a true latex. I think you can use an oil over it. There are only two manufactures I found, BenMor and SherWill. I bet they can give you an accurate answer. –  shirlock homes Jan 14 '13 at 12:37
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