Just had a Sealtech pressure tested last week, and no leaks. BUT 3 days later found water dripping into the bathroom from the fan. It was raining a lot.
Found that the original Dicor seal around the fan housing detached from the plastic shroud. It did not show leak on the pressure test, I actually had to press on it a little to see it was not bonded to the plastic as it should.
It was very well bonded to the roof and bonded ok on other sessions of the shroud.
I cleaned and re-apply Dicor to that session for now (45 deg outside) and will wait till a bit warmer to rip it all out and fix it. So far no leaks...
One may want to physically check it out next time on the roof.
Happy travels.
Linear Mode
