I believe your trailer is a Cougar XLite ??? If so, the floor is a "3 layer sandwich" floor. Depending on what part of the floor structure, you may be able to access it from underneath...
Essentially, starting on top, you have a layer of vinyl or carpet, under that is a 1/4 or 3/8" OSB decking. Under that is 2" of styrofoam and under that is a 1/8" luan sheet. That structure rests on the trailer chassis rails, the outriggers and the center "floor joists" which run parallel to the chassis rails. Under all of that is holding tanks, heat ducting runs, electrical wiring, plumbing runs and "an ungodly amount of trash and sawdust"...
So, be warned, that depending on what you're trying to do, "going in from underneath" may get you where you want to go or it may be wasted time...
What are you trying to achieve ???
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John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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