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I think the Super Paint is excellent, I'm using it right now on an interior that a lady smoked in. The smoking was normally contained to a master bathroom area, but I'm sure the smoke carried through out the house. We're giving the walls one coat of Superpaint satin, of course we're going over the exact same color as before. The coverage has been good, I've double rolled several walls because I'm picky.
I think the Duration matte might be the trick though, I really like the sheen level it presents. It's in my bathroom in my house and the sheen level is just right for my taste. To me, Sherwin Wiliams satin and eggshell are just to shiney. I wish Super Paint came in a matte level.
I agree about the workability issues with duration exterior. It can flash almost faster than you can get to it to back roll it.
I've used A-100 on some exterior projects and never had any problems. Most notably a chain link fence across from my house that got graffiti'd. Nary a peel anywhere; adhered well to both the vinyl inserts and the chain.
I usually go superpaint for the longer warranty. Not that it's worth anything but it looks better on the invoice.
What about the sherwin williams exterior paints vs. other chain stores ie miller, rodda, behr (kidding), bj moore etc.
i think the duration has a lifetime warranty and super paint is 25 yrs,
again for what its worth