They only glue them around the edge according the FR factory rep I talked to about this prior to purchasing our V-Lite as our old Edgewater had it happen and so did our neighbors new heartland TT. He said that it is not as common as one would thingk to have them split as it depends on the moisture in the flooring. The reason for only glueing the edge was if it had to be replaced it would be a nightmare otherwise and after redoing our house I can understand where he is coming form with that statement.
John & Deb
2011 F250 Lariat FX4 Crew Cab 6.2
2011 Flagstaff V-Lite 30WRLS
Days Camped 2013: 16 2014: 5 2015: 3