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Paint -- combination primer and top-coat?

Paints are now offered in a combination primer / top-coat in one can.

What's the science behind this? More resin or pigment or both?

Is there a downside to using this vs. the traditional primer and then top coat later?

Asked by john walls
Posted Nov 15, 2012 12:36 PM ET
Edited Nov 15, 2012 12:45 PM ET

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1 Answer

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1.

John,
Count me a skeptic.

Answered by Martin Holladay
Posted Nov 16, 2012 8:05 AM ET

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