| 24" is too large an area to patch with no support.
Is it near any cabin top overhead girders? Perhaps some bridging or blocks could be put between the girders to support the patch.
A hatch gets my vote....
A great idea, Pblais....
I've had many boats and not one had 'enuf' ventilation.
Think of it like the floor of a house.
Would you walk on a patched floor, that did not have a floor joist under it?
fred
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