History Is it 'Old School' to use separate primer and undercoat now?

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It's been a while since I bought any paint (I shall be painting untreated wood), and I see the choice of separate primers and undercoats has got pretty slim. Seems like most people, professional or amateur are using combined primer-undercoats now. I've checked in several DIY/tradesman shops and websites. What would you do, Sherdog handymen?
 
It's been a while since I bought any paint (I shall be painting untreated wood), and I see the choice of separate primers and undercoats has got pretty slim. Seems like most people, professional or amateur are using combined primer-undercoats now. I've checked in several DIY/tradesman shops and websites. What would you do, Sherdog handymen?

Depends on what you're painting........ Yes paint technology has changed but you're nearly always going to get a superior finish if you use a primer and undercoat.
 
Using Krylon for walls is considered Old School,

Now it’s all about Musa Hardcore…
 
I don’t mind outdoor painting at all just slop that shit on.
Indoor painting is another story. Haven’t done it in 20 years.
 
My company does 1-2 coats of primer before paint. Use that elastomeric coating though. I will say our work looks ten fold better and lasts a lot longer than companies who go that paint+primer in one route.
 
What are you painting?
Indoor homemade furniture - cupboard, storage boxes, shelves etc.
Untreated wood outside?

Primer + 2 coats minimum.
Nah if it were for outside I would use treated wood. In that I'm buying the wood from a shop rather than making it from my own trees. Probably the terminology differs somewhat from country to country. In the UK you roll up and say eg "30 feet of 6"x1" treated please!" and that means tanalised wood for outdoor use. Albeit most people give the lengths in metres now.

Edit: I asked the fellas in the shop and they confirmed that most people are indeed using combined primer/undercoats now. And this is the kind of shop where I would say most of the customers are pros, albeit probably mostly smalltime.
 
Indoor homemade furniture - cupboard, storage boxes, shelves etc.

Nah if it were for outside I would use treated wood. In that I'm buying the wood from a shop rather than making it from my own trees. Probably the terminology differs somewhat from country to country. In the UK you roll up and say eg "30 feet of 6"x1" treated please!" and that means tanalised wood for outdoor use. Albeit most people give the lengths in metres now.

Edit: I asked the fellas in the shop and they confirmed that most people are indeed using combined primer/undercoats now. And this is the kind of shop where I would say most of the customers are pros, albeit probably mostly smalltime.
2k paint is completely different from 2x paint which is deceptive.
2k paint is catalyzed and cures chemically and is superior, it’s what’s used on cars.
 
When painting the kids bedrooms we used the paint and primer all in one covering a lighter grey color. It turned out "ok" but the previous times I've painted using a primer looked great.
 
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