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-   -   Installing wall vent cap for bath exhaust fan (http://www.houserepairtalk.com/f34/installing-wall-vent-cap-bath-exhaust-fan-16628/)

Ray_S 10-09-2013 03:14 PM

Installing wall vent cap for bath exhaust fan
 
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Hi there, I have a question regarding vent cap install on exterior wood siding as seen in the picture. The 6" vent cap is for a new bathroom exhaust fan and made of galvinized steel. The problem is there is no holes round edge of the cap so I can't use screws to secure it onto the wall siding. Is caulking along enough? if is what type of caulk or adhesive would be good for this. Should I nail through the metal flashing to secure it? Thanks.

Ray

nealtw 10-09-2013 07:28 PM

Maybe this will help. I would predrill and use stainless screws
http://www.thisoldhouse.com/toh/video/0,,1630938,00.html

PangioneDevelopers 10-19-2013 02:28 PM

Hello

Remove vent
Predrill corner holes then screw to wall
Since you are installing above the siding, make sure you apply a good caulking before you press and screw to the wall
Pangione Developers Inc

bryce 10-20-2013 11:54 AM

"Should I nail through the metal flashing to secure it?"

depends on what's behind the siding. Could be a electrical wire, maybe foam, brick?

Try to glue it, if it works - don't worry.

PangioneDevelopers 10-21-2013 09:45 PM

Yes,
predrill the corner holes
screw to the wall


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