Hot answers tagged painting
I'd bet on "poor preparation/paint job" (given that preparation is 90% of a good paint job.) If you wanted to, you could use a high-temperature paint such as engine enamel (typically good to 450F or more) (no need to go for the exhaust-manifold paints unless your doorframe is charring, I think.) I strongly suspect that's not really needed; you could put a ...
I would strongly suggest the walls are primed and use a mold inhibitor behind the cabinetry, especially behind the sink cabinet and where the dishwasher will set. Raw drywall should be sealed before anything is installed against it in my opinion.
I've used the higher end paint+primers from both big orange (Behr) and big blue (Valspar), and found that they cover very well in a single coat. You may have to do a second touch-up coat; especially where you've cut it with a brush, but they cover well in the first coat. If you're doing any patching, or have new drywall or joint compound to cover, you'll ...
I agree on using the primer first. However, the combination primer/paint may be overkill. I would plan for 1 coat of primer and two coats of regular paint, as it is tough for the average DIYer to get full coverage with one coat of paint.
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