This project is continued from Part 9.
Bathroom Exhaust Fan Trim Moulding
I installed the trim moulding for the Panasonic WhisperCeiling™ FV-11VQ5 bathroom fan with 2 inch brad nails set into the joist and 2×2 mounting frame on three sides. I set the brad nails about 1/4 inch from the inside edge of the trim moulding for two reasons:
- The 2 inch brad nails are set in to the ceiling joist and 2×2 mounting frame.
- The 13 inch square fan grille will cover the counter sunk brad nail heads.
The brad nailer is a wonderful tool because automatically counter sinks the brads without all the pounding, shaking and marring the moulding that would happen if one were trying to drive in finish nails by hand with a carpenter’s hammer.
The trim moulding covered the gap in the drywall ceiling for the “old work” installation in the space between the first floor ceiling and second floor joists. Notice how the trim moulding does not cover the Panasonic WhisperCeiling fan housing mounting flange so that the moulding lies flush against the drywall ceiling. No nails are set on the right side of the moulding because this is the location of the 2 inch gap in the drywall ceiling on the duct connector side of the fan.
The Panasonic FV-11VQ5 fan grille is 13 inches square and covers the brad nail heads. The grille springs hold the grille tight against the wood trim moulding. I didn’t fill the brad nail heads with wood putty so that anyone working on the fan in the future will understand how the ceiling trim is installed in case the fan ever needs to be replaced.
There’s no need to caulk around the fan because it’s mounted to the face of the bathroom ceiling between the 1st and 2nd floors. The fan will always be pulling air from the bathroom, as opposed to a fan installed in the attic behind the drywall ceiling could draw in hot attic air.
View of the final installation for the Panasonic WhisperCeiling FV-11VQ5 bathroom fan with the grille covering the brad nails in the ceiling trim moulding:
Bathroom ceiling fan installation from another angle:
Panasonic WhisperCeiling Bathroom Fan Product Review
After trying out the new the Panasonic FV-11VQ5 bathroom exhaust fan for a couple of weeks, I’ve found that it works as advertised. The Panasonic bathroom fan operates very quietly with no perceptible vibration and moves a lot of air despite the less than optimal 25 foot run of 4 inch insulated flexible duct routed through the bathroom ceiling and garage to the outdoors. I checked the outside vent cap with the fan running and the back-draft flap was in the full open position indicating a strong air flow.
The old economy bathroom fan appeared to do nothing and bathroom would be steamy after a shower. With the new Panasonic WhisperCeiling fan the bathroom doesn’t get fogged up – this is nice so the humid air isn’t going into the rest of the house, especially in the summer where it’s extra work for the air conditioner to remove the moisture.
I did have a minor problem – the bathroom was steamy when my wife took a shower. She doesn’t turn on the bathroom exhaust fan because she likes it warm and steamy. I explained the purpose of the bathroom vent fan and she agreed to turn on the fan for 15 minutes when she leaves. An upgrade would be to replace the fan toggle switch with a timer switch so we don’t forget to turn off the fan.
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