No I think you have a good leak somewere...one thing I have done is,if you have an air compressor,apply soapy water to the outside of windows,seams,etc and blow from the inside with the air hose.If your lucky bubbles will show up where any leaks are.

I have also used a leak detection fluid in water,when applied it will show up under a ultraviolet lamp(black lite)

Also make sure it is dry and have someone spray water on a spot at a time while you look for leaks.

Sometimes a leak will start somewere else and run down to the easiest spot to drain.

For instance...My new LQ trailer leaked water on a side compartment,I assumed it was the seal and tightened the door....wrong....there was a neat crome and rubber strip that ran along the side and under it was a seam.......well it wasn't sealed and water leaked past it and into the compartment under the feed manger.

I removed the fancy and sealed the seam with silicone.Then replaced the strip.No more leaks.Look at everything and don't assume anything like I did.

Hi Wendy ...

From my experience, the amount of water you're describing is a leak.  I would suggest after looking at the roof, look at the windows.  Some windows have a scupper to drain any water that gets into the channels.  If the scupper is clogged, the water overflows inside the trailer.  The other path is the top of the window frame channel.

PS ... Silicon is good but polyurethane is a better caulk choice.

Did it rain within a few days of you using it? Or go through a car wash? If so, probably a leak. If not, then could be condenstion.

Cowby