Ok To Attack Duct Directly To Roof Vent

The vent should exit the building through the roof or wall at least 3 feet away from any other building openings and the vent cover which must not include a screen should allow dispersal of.

Ok to attack duct directly to roof vent.

In all cases the ducting needs to conduct the exchaust to the building exterior and needs to terminate in an animal proof vent cover. This article describes routing bath exhaust fan duct upwards through an attic or roof space or downwards through a floor or crawl space. The owner s manual will usually tell you specifics on duct sizes and lengths. If you can put an equal size duct inside the turn as shown below they say you re ok.

The flex duct makes the bends easy don t kink it and allows the fan to be repaired from below in the future. No you shouldn t use a towel or other absorbing material. The high humid air doesn t vent out of the house before it condensates in the duct and then runs back into the house causing damage. Or you may have a distance issue.

The best exhaust fan venting is through smooth rigid ducts with taped joints and screwed to a special vent hood. Loosely hold the wire and direct it through the ceiling drywall approximately where your vent pipe will go. The official recommendation from the adc is that flex ducts should sag no more than 1 2 per foot of length between supports. I have never seen this before and at first thought considered it wrong.

Insulating the duct may also help. Today i saw a very creative way to vent bathroom fans. First plan your route. These specialty vents do not affect the.

If you stacked registers on a single duct on second and third floors for instance all the. You can find 4 in. For that length i don t think you need to worry. Another biggie that i see all the time is sagging ducts.

Every register should be fed directly from the central unit or basement trunk line by its own duct. Although this isn t always possible in attic crawl spaces you should always insulate the duct to prevent condensation problems. You may have a bad boot around the roof vent that is leaking into the attic. Section of straightened coat hanger into a drill.

Run a rigid vent from the gable wall to a point near your install and use a 2 piece of flex duct to connect the fan to the rigid vent. Bathroom ventilation fan duct routing routing a bath vent duct down out or up through an attic or roof out. Duct already wrapped in insulation at home centers. I d recommend venting out the gable.

After sleeping on it i am having a hard time coming up with any legitimate reason it can t work and can t think of any problem it could cause.