Try painting when the temperature is below 70. Also try XIM latex extender instead of Floetrol. I find the XIM product slows drying times more than Floetrol.

Regal Pearl used to be one of the better finishes by Ben Moore. If your doors are flat, you could use a foam roller to get a more even finish. Whizz Pro Foam rollers are available in 2, 4, and 6 inch sizes. I find they law paint smoothly.

My guess is that you are overbrushing the product. I would suggest laying the paint on and leave it alone. The more you brush, the worse it will be. Good quality paint will level itself. Many painters I know and myself have tried the Regal line and found it is hard to work with and even harder to touch up.
I would be interested in how good of a brush are you using.
The quality of the brush has a lot to do with the ability to avoid brush marks. Any Regal product requires a soft formulation brush.

My favorite finish for trim and cabinets is Pratt and Lambert Accolade Satin. I have brushed the product on trim and achieved great results with no brush marks. I did not use any Floetrol or XIM product in the paint. It is thick enough to lay on and level.

Follow up....(rather long; sorry)

First, although it was a very warm day, I painted early in the morning when the temps were about 68F. I did use a Whizz Pro foam roller -- left roller bumps just as if I had used a regular roller. I used a Purdy latex brush - brand new; good quality. I really did not overbrush.

So, the bottom line is I decided that I hate this paint. My husband had used it (without Floetrol) on the back sides of a couple of cabinet doors, and the brush marks are deep enough to feel with your fingers. The extender didn't seem to increase the leveling at all.

So I called my local Ace hardware to see if they carried the Ace Cabinet paint. Sure, they said.

When I got there, it was actually Cabinet Coat that they had. So they mixed up a quart for me in the Ace color, Linen.

I spent the evening reading advice about using Cabinet Coat, and I plan to practice on some scrap pieces before I get back to the cabinet doors. (Which I spent the afternoon sanding the Pearl paint off...)

So, if I can get Cabinet Coat, and learn how to use it, I think I have a chance. I'm just so disappointed in my local Ben Moore retailer, selling me a crock. The saleswoman kept telling me that if I used quality tools (yes, I used what you sold to me...)it will level out wonderfully with no brush marks. We're having a heat wave, so no painting today.

I have not see Pratt and Lambert paint in this area.

thanks, I appreciate the help.

Cindy,
I'm sorry you're havin' trouble!!

Up here in Fargo, customers are really starting to like the ACE Cabinet, Door & Trim paint. We carry the Insl-x Cabinet-Coat as well. I've made the ACE "Linen" color many times...a very popular "white".

We always tell the customer that if they're brushing past 30 seconds with either line...they're in "Yellow-Alert" territory! Towards 1 minute..."RED-Alert"!!

(Separate FYI...Insl-x has discontinued the Almond Pre-tint Cabinet-Coat)

These coats can't be applied too thin, or they can't "level". Too thick, and it'll sag...like any paint!
Another nice thing about the ACE...it's VOC-Legal everywhere! (50g/L VOC)

Use a long, light "finishing" stroke(s) after an area is filled-in. Watch your times though!
>>> What Purdy brush did'ja get?

Faron

cindy:
How could it be? I just painted my baseboard using BM waterborne satin impervo (water based) bought from the local Ace hardware. I live in North SD so I don't see why they can't sell the same in orange county.

My take on this paint, it level ok but has the tendency to sag. Also, when dried, it formed a plastic film instead of becoming a hard acrylic finish. When I was done, my DD pulled on the blue masking tape (she was helping) and egad the paint stuck to the tape and come off in a large piece. You really have to cut the edge when you remove the blue masking tape otherwise you'll be in for a surprise. It doesn't sand well w/ sandpaper either. What a beast (!) I don't think I would ever use this again.

I'd used Dunn Edwards trim paint w/ great success before. I was being lazy a/b having to drive far for DE paint so I decided to try BM and boy what a mistake !! I used DE semigloss for baseboard in the other rooms and the finish is way better than satin Impervo (IMO).