I just bought a Trail Lite B+ 211s with 8.1 Chevy engine. This is my fifth motorhome (others range from an old 20' Vagabond, and three Winnegagos, from 19 to 32'. This vehicle is fantastic. I am...
Gary: It seems to me that your leak is coming from one of two places. One would be water being driven in or leaking down along the side seal when the slide is out. I suspect that the more likely source is the lip on the inside of the bottom tray. In my unit, that corner is stitch welded, but is not sealed, and water easily works past it. I am planning (but have not yet)to seal that area with silicone. In the meantime, I don't extend the slide when it is raining!