I wouldn't think there is a need for caulking for the lower skirting. My guess is, the caulk is there to seal the area where the lower body side panels meet the flooring in the trailer, to prevent water getting in there. I also would not be surprised if what you are seeing IS the factory applied sealant.
While some have lauded HiLo's build quality, I've found in my trailer that there are places where it was not particularly done well. I suspect this is true of most any trailer manufacturer though.
I don't think you would need to replace that caulking, if it looks sound. Others may have different opinions.
- Jack
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Hi-Lo 1707T - Tire Minder TPMS on Tow Vehicle and Trailer, 300W Solar Battery Charger, Equal-i-zer WDH, Progressive Dynamics Converter, Fan-Tastic Fan, LiFePO4 battery 12V DC Electrical System, SoftStartRV mounted on A/C
2024 F150 Platinum FX4 3.5L PowerBoost SCrew
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