2007 Tango rotten floor source discovered; please read !
Did some detective work this past week for a sister with a near-new condition Tango tandem axle tow behind with half the floors falling apart from dry rot. I peeled up the lino, peeled up the potato chip sized OSB pieces which fell apart in my hands, and discovered the yellow insulation soaked and helping feed the white fungus which looked very healthy indeed. With that ripped out from sink to bed, I tracked the water marks to the driver side wheel well. Water system has never been used yet, but found all fittings on water pump loose, and not a spot of water under the sink. You could poke your finger through the lino under the sink and then I spotted black and rotten 2x3s holding up the plastic wheel well tub for the two wheels. It seems, after pulling off the outer plastic wheel opening molding and pulling some stubborn and expletive-worthy staples, that a from- factory sag in the middle of the tub looked like Cistern Ditchwater! This water in turn, found its way through staple holes in the vapor barrier and saturated 2/3 of the insulation and of course dissolved 2/3 of the OSB into chips and rubble, and rendered 2/3 of the 2x3s into fire starter. Talk about an on-board water supply! Free! Unpotable, though and feeds the fungus. Once water is in the floor void it says there wandering hither and yon depending what angles you might obtain on your trips. Bottom line is, the wheel tub edges were acting like a gutter on the outside and filling up the saggy section, then overflowing into the undersink floor void and beyond. Someone at the factory on a Friday?... didn't give a , and poked a good-sized hole to enable all this to occur over the past ten years. The trailer is otherwise in new condition. Check for a crack at middle screw on the crappy plastic staple-hider over the wheels, driver's side. Start there and just follow the damage. Check other side too, just in case it "waterfalls" as well! Caulking by the way, must not have been a priority. My boogers are bigger...! Hope that this explains other's water woes somewhat, and we camp, instead of repair! Happy Trails, P.T.
