How To Vent A Bathroom Fan

Through the roof or an exterior gable wall. Options for venting a bathroom exhaust fan include best to worst.









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4 Inch Soffit Exhaust Vent Exhaust Vents For Bathroom Fans Venting A




Behind a gable vent.



How to vent a bathroom fan. No matter the location of the bathroom you can vent the exhaust fan through the wall. Remember the slightly narrower end of the duct pipe connector fits into the soffit vent cap. When venting a bathroom exhaust fan make sure to vent the air to the outside rather than into your attic where it can cause mold and mildew to form.



In attic seal holes in fan housing with foil duct tape. If you continue to use your bathroom without removing the moisture you will likely start seeing mildew growing in various places. Use foil duct tape to attach flexible duct to connector protruding from the wall cap.



Pull back the insulation on the flexible duct and connect the duct to. Slide wall cap and connector duct into hole. How to vent a bathroom fan.



Installing an attic duct with roof vent step 1. Behind a soffit vent. Aim the elbow straight up and secure it to the port with foil duct tape.



If your bathroom does not have an exhaust fan you can expect a heavy mist inside the bathroom when you take a shower. Remove the knockout hole on the side of the fans housing and attach a cable connector. Back in the attic attach a 4 inch 90 degree duct elbow to the outlet port on the side of the vent fan housing.



An exhaust fan pulls this moisture out of the air and prevents it from sitting on the walls. Slip the flex duct inner liner about 2 inches over the wider end of the metal duct pipe connector. Drill a hole through the roof with a small drill bit.



There are really only three venting options. Reach into the soffit vent mounting hole and gently pull the flex duct inner line out about 6 inches. All that humidity and moisture in a concentrated spaceyour bathroomcreates the perfect breeding ground for mold and mildew which can damage building materials including drywall and wood framing.



Wipe away excess caulk. Hold the other end of the flexible duct against your installation spot on the underside. Special bathroom fan roof vents with an internal damper that opens only when the fan is blowing will send moist air outdoors and keep cold air out of the house.



Ductwork is what will connect the fan to the outside. Fortunately you have a friend and defenderthe bathroom exhaust ventilation fan. Bathroom exhaust fans 0250.



The location of the bathroom will determine how extensive the ductwork will be. There arent many options for routing an exhaust fan to the outside of the house. Installing a vent hood on the roof start in the attic and drill a hole through the roof in the desired vent location.



Tape 90 degree elbow to opposite end of flexible duct. Secure cap with stainless steel screws.










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Installing A Bath Vent Fan Better Homes Gardens










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Getting The Details Right Bathroom Exhaust Venting





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