Forum Discussion
subcamper
Jul 17, 2013Explorer II
If your trailer uses a "aluminum frame laminated system" then the foam is part of the floor system. Rectangular aluminum tubing is welded together to form the floor framing system. Foam the same thickness as the aluminum tubing is placed between the tubes to fill it flush with the top and bottom of the tubing. Then a floor on top and a underside layer on the bottom are laminated to the whole assembly to create a composite floor. This may be what you are seeing.
Steve
Steve
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