Can You Use Pvc Pipe For Bathroom Exhaust Fan

A cold duct allows condensation of moist indoor air leading to drips from the exhaust fan.

Can you use pvc pipe for bathroom exhaust fan.

Ask question asked 4 years 1 month ago. Using pvc pipe for bathroom exhaust fan duct. I was going to use plastic flexduct but i can make the bends bends and some of length using. You can use round galvanized ductwork or pvc sewer pipe.

I m not familiar with a code that requires rigid ducting for bathroom fans. Active 4 years 1 month ago. Viewed 3k times 1. Does anyone know what i should use to connect my bath fans to pvc pipe.

Most exhaust fans have either a 3 or 4 outlet. What is california code on bathroom exhaust fans primarily at the point of how the tubing and what tubing is connected to. Is it legal to have the flex tube vented to a dormer vent but the tube ends 1ft short of the actual vent and not connected directly to it. If you need to reduce the 4 to 3 tell them this or just explain what you need.

I have to run a length of about 3 meters of duct from the fan to the outside where there will be 2 90 bends. You will get condensation build up from steam moist air when the pipe runs through a colder area. Also on a long run especially vertical you are bound to have problems like you have now. On 2020 01 31 by mod use 4 pvc pipe as an exhaust duct.

Is there any particular type of piping to be used through the attic metal ductwork pvc etc. Mass local here unlike dryer ductwork it s not going to be subjected to high heat or a potential for significant lint accumulation. By the way some home depot s and lowe s sell this stuff if you know what to look for. Otherwise the exhaust duct gets too cold when it runs through the attic.

That said there is nothing stopping you from using regular rigid metal ducting. If they did run the exhaust fan into 2 pvc you will not get the air movement you need.