Roof Vent Install Rooftop Bathroom Exhaust Vent
The tube should be sealed/taped air-tight to the vent opening. I found a 6" to 4" aluminum duct reducer at the home center that I can attach to the top of the A Y-fitting for two vent fans is one of the easiest way to exhaust 2 bathroom vent fans at once! Y-fitting - It's crucial for bathroom vents to terminate outside of the roof surface rather than into a ridge vent for several important reasons. ...