Bathroom Fan Attic Insulation Blow

Connect the hose to the blown in insulation machine.

Bathroom fan attic insulation blow.

Connect the hose to the insulation machine. I ve also seen why so many bathroom ventilation fans don t move much air. It can cause you a lot of problems with mold and mildew forming on the underside of your rafters and decking as well as getting into your insulation. Find out whether you have to worry about an attic fan blowing your insulation around.

A typical bath fan is rated to move 50 cubic feet per minute of air when it s operating but most actually move about half of their rated air flow. Proper bath fan exhaust. Then feed 1 2 a bag of fill into the machine and turn on the hose to start blowing the insulation. Insulate the bathroom exhaust vent fan ducts.

I used flexible 4 aluminum duct to the exhaust damper on the roof. Get tips on installing sufficient attic ventilation to vent the air that gets pulled up there. You should never exhaust the bathroom fan directly into the attic. Mold is commonly found in attics with bath fans that exhaust moist air into the attic.

Click here to learn more about attic mold. Your attic is not a temperature controlled environment is never the same temperature as your living space and generally closer to the temperature outside. In un conditioned space such as an attic where otherwise your fan duct will be exposed to cold attic air in winter use insulated solid metal ducting or insulated flex duct. You can buy a bags of cellulose from lowes fluff it up into a garbage bags and dump into attic after you are done on top of the area where you disturbed insulation.

The duct runs in my attic above the bathroom ceiling two story home. T he result of the insulation problem around a bathroom exhaust fan is either water stains or mold near the vent of your bathroom. Jim asks is it ok to have a bath exhaust fan vent into my attic no it s never a good idea to have any exhaust fan in your home dump all that hot moist air in your attic. Mold can spread rapidly in an attic.

Keep calm if that happens to you. Or you rent a blower. No you cannot vent your bathroom exhaust fan into the attic. I recently installed a bathroom exhaust fan.

Mar 8th 2018 2 12 pm. This is non usable space and it is well ventilated with ridge and soffit ventilation so it does get cold in the winter. Insulation problems will lead to other problems like the fan not being able to extract any humidity from the bathroom at all.