Forum Discussion
BFL13
Aug 06, 2017Explorer II
The vent screws into the roof all around and you Dicor over that, so if the screws won't go in the wood as is but only into the fibreglass, then you need to add something like more wood inside the hole or else extend the vent edges to reach the wood that is there. Those Rv vents are a standard size so not clear what the old vent screwed into.
There is also the inside part that screws up into the ceiling
There is also the inside part that screws up into the ceiling
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