Sherwin-Williams Paint Store

It’s not that I have something against this particular Sherwin Williams store, but I can’t write a review for the corporate company. They were nice enough at this store, some extremely so, some others with more corporate-​speak, but still nice and professional.
My problem is with the way Sherwin Williams markets their Duration paint. It is not an oil-​based paint, yet they say that it can be used on cedar with no primer. This is false. You must use oil-​based primer on cedar (ALL cedar), or your paint will not adhere correctly or last. Any reputable paint company or painter will tell you this (as we’ve been told many times since making the mistake of not using it. See my review of CertaPro Painters of Lower Makefield for more information on that.)
We used Duration paint specifically because Sherwin Williams guaranteed it in a lifetime warranty. How could they stand behind a product so thoroughly if it wasn’t the best? Well, they didn’t stand behind it. It started peeling immediately; 6 months after it was terrible, and now almost 2 years after, the house looks like it did before it was painted — a complete waste of almost $ 6,000.
I would never use Sherwin Williams again, and I tell everyone I know to beware. Use Benjamin Moore — they don’t seem to be so steeped in the corporate marketing culture of dishonesty. Plus, Benjamin Moore has better paint and isn’t hand-​in-​hand with dishonest companies like CertaPro.
Sherwin Williams claims that our cedar shingles are special, therefore, they have no obligation under the warranty. Well, they’re no more special than any other cedar shingles. Like all cedar, they needed to be primed with oil-​based primer in order for anything to coat the cedar oils. Sherwin Williams should have a disclaimer on the Duration label, and I’d be highly interested in a class-​action lawsuit, if others with this problem would contact me.