Liquid nails will stick to 'masonite' just fine. On the ceiling, you will have to find a way to brace it tight to the ceiling until the glue sets.
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2006 Damon Daybreak 3276 35'with 5 Star Tuner. 3 200 Amp Lithium batteries and 2000 watt PSW inverter/charger. 2013 Elantra on a Master Tow dolly.
Retired USAF
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