with your owner's manual, there's a sheet from the canvas manufacturer, with instructions on seasoning the canvas seams. also instructions on care and cleaning.
having to "season" canvas is common in all new popups and hybrids.
and second, are you sure you didn't have condensation on the inside of the canvas. if you had the heat up and no ventilation and no PUGs or solar blankets, you'll get condensation.
it'll seem like the rain is seeping through the canvas.
and Zoe the Wonder Dog(R.I.P.)
'07 Roo 23SS pushing an '07 Chevy Avalanche
Equalizer WDH and Prodigy BC