Waterbased is fine for painting without a booth, ive done a good few jobs in my own garage just takes more time than it would in a booth.

When im painting in the booth i just apply the 3 coats of base and put the air dryers on it, but in the garage it takes a bit more time to flash off with a heat gun ( you must make sure its totally dry before applying the 2k laquer)

I was a bit worried when the waterbased was introduced a few years ago to replace the 2k but to be honest i think its better, it covers better and i think the matches are slightly better aswel.

It its just straight white you are wanting tho, what i use it STANDOFLEET 2k which is a very good qualit paint. I tend to use that on the commercials that i paint aswel as my vans ect,

hope this helps

Auld