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We have been doing some refacing jobs that end up with some on-site repainting of trim, face frames, etc.
We have been using ProClassic WB Acrylic, and the durability seems OK, but not really great.
Would the ProClassic Acrylic -Alkyd be better? Any drawbacks?
Or, what about their All Surface Enamel - Interior/Exterior Latex.
We want to stay with a water based product, and it needs to be easily brushable onsite.
Strangely enough I used all 3 of those products in the last couple of weeks. I was pleasantly surprised by the performance of all 3; l expected all 3 to exhibit a total lack of blocking like most latex house paints but all 3 jobs went from the shop back to the job with very little sticking. 99% of the work l did was sprayed but like you l did a bit of on-site brush and spray work. Of the 3 l liked the acrylic/alkyd best; brushed best,dried slower but cured faster, sprayed as good as the other two but was formulated thinner so l was able to spray it out of a tubine on-site and pot/gun set-up in the shop( the other 2 products l sprayed out of an airless with a fine finish tip).
I was painting my garage walls and ceiling with gloss white latex paint-anything I happened to have around. I had a lot of cheap Behr and finished up the gallon. Very watery with poor hiding and covering power. Then I switched to the ProClassic I had-much better paint but I noticed that it wasn't quite as white as the Behr. Since they were right next to each other it was very apparent-not so much if used by itself.
I'm a chemist so I set up some test samples in my shop with 5 different white paints I had and sure enough all were very white except the ProClassic. No idea why. But the best paint I've used is the All Surface. I was doing some trim in my house with it and used a drywall knife as a shield to keep it off the walls. I didn't get around to cleaning the knife while it was still wet so a few days later I tried to clean it but the paint wouldn't come off! It stuck better to that shiney aluminum than any other paint.
So I prepared a bunch of test panels with aluminum, wood and MDF. The All Surface had the best finish and adhered better than anything else I tried. It is also great on mansonry-I painted all of my basement floor and poured concrete walls and was very pleased. It costs more than other paints but the increased cost is reflected in much better performance.
I'm in the process of being the owner/builder for my new house and gave the potential bidders a file listing paints to be used and the All Surface was specified for the trim as well as all surfaces in my outbuilding.
Making test samples should be standard practice for anyone who is finishing anything for customers. Once prepared you can keep them forever and refer back to them to show customers. You can also prepare new test pieces as new paints/finishes appear in the market place. That way you have objective results to show people and not have to depend on subjective statements by sales people or biased reports and "tests" from the manufacturer.