Should I undertake to do the next coats myself? I have done a lot of painting in my youth and I am good but don't have much technical knowledge.

Thanks in advance. We feel really stuck.

I found out today that the primer and floor paint were Glidden.

Here is what the architect learned from talking to the SW paint store manager "I discussed the situation with the manager there and told him that the topcoat is SW Tredplex (it actually was a Glidden product). I don't know what the primer is, but other than the question about its color, what it is really isn't important. He confirmed that the deep color bases that are used for oranges, reds and yellows are notorious for their lack of coverage. It is because the ratio of pigment to binder is so much greater than with lighter colors, that many more coats are required.
He also said that the reason white primers aren't used under colors like red and oranges is that the initial finish coats will be pink (as in the case of the filler we noticed). And the amount of red pigment one can "safely" put in white primer will still yield a pink primer that will require multiple coats to achieve red. There was no hesitation when he said that therefore, when dealing with strong hues, the advice is to use a grey-tinted primer. In the case of the yellow, he agreed with me that the primer under the yellow should have been white, but that it was proper for the primer under the red and orange to be gray.
He said the only solution is to continue to add coats to achieve saturation. He did say, however, that his experience is that the result from coat 2 to 3 is usually dramatic.
One thing he said that you need to know is that the full cure time for this paint is 21 days before it reaches its hardness. Until then, one should be careful about anything being dragged over it or slid, as it is still soft, especially with multiple coats."

What are your thoughts about moving into the house when the floors have not cured for 21 days? Should we stay completely out of those rooms? Not move the furniture in? Not walk in shoes? What do we need to do to protect.

We have pretty much decided not to have the painted do the additional coats. We are too angry with the way we have been treated. Instead, we will do the coats at a later date ourselves. At that time, because we will have lived in the rooms for a while, what will we need to do to prep the floors?

I have read on the web that painted floors should also get a couple of coats of polyurethane. What do you think about that?

Thanks!!

Why do so many say to cover the floor paint with a couple of layers of poly?

Very bad idea, as already explained

I will explain to the 2 1/2 yo and the 9 yo boys how they will have to be gentle with the floor.........

Yea, right! :)