Replacing bathroom fan vents into attic  

 
Ted1972
(@ted1972)
New Member

After taking the old fan down I noticed that it only goes into the attic then stops. Is this bad?

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Posted : March 28, 2019 10:39 am
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Builder Dan
(@diydan)
Trusted Member

Most codes require that the bathroom vent needs to exhaust into the eave via a vent. They cannot just dead end into eave. There needs to be a grill louver of some type.

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Posted : March 28, 2019 1:09 pm
Ted1972
(@ted1972)
New Member

There is no way I can get into the attic above the bathroom

 

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Posted : March 28, 2019 1:12 pm
Builder Dan
(@diydan)
Trusted Member

In this case what I would do is first remove the soffit panels between the roof trusses where the fan is. Take some rigid wire and fish it above the insulation to the fan hole. Tape the 4 inch flex duct to the wire and pull it to the eave from the outside. Then attach to the fan and eave louver. Replace soffit and anchor the louver in places with screws to the soffit panel.

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Posted : March 28, 2019 1:21 pm
Ted1972
(@ted1972)
New Member

I removed the soffit. There looks to be enough room for duct. I can see the light from the fan hole.

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Posted : March 28, 2019 2:08 pm
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