Forum Discussion
MrWizard
Aug 10, 2017Moderator
it does NOT need any stiffing on the outside/top
if you want to put some one/by strips for a mounting frame on the inside, thats ok
i think butyl and dicor will be find, if your worried, use the a/c gasket
i think you better to some measuring
of the current vent
you say its smaller, that would be odd, 14" hole is standard
you need to measure inside with a tape measure
your new vent is NOT going to fit a 12" hole
if you want to put some one/by strips for a mounting frame on the inside, thats ok
i think butyl and dicor will be find, if your worried, use the a/c gasket
i think you better to some measuring
of the current vent
you say its smaller, that would be odd, 14" hole is standard
you need to measure inside with a tape measure
your new vent is NOT going to fit a 12" hole
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