larry barnhart wrote:
I have noticed this on many lippert framed fifthwheels. I also have noticed some new lippert framed fifthwheel with a control crack cut and a T-shaped molding installed this can be done for your problem. If it doesn't have a big problem that isn't known of course and my guess is you might not. The corner is a weak spot. If you notice when concrete is poured around an existing concrete slab the sharp corner will crack the new concrete and rebar is added to maybe stop it from the stress of the old corner. Enjoy your fifth and let us know the fix.
chevman
X2. Don't know if it's necessarily a Lippert frame issue, but a Lippert bedroom glide seems to be a factor. NuWa had this issue with both the HitchHiker LS and Discover America lines (LS models used a Lippert frame and bedroom glide prior to 2010, Discover America had some Lippert frames on the lighter models prior to 2010, but most used Young's Welding frames and Lippert bed glides).
Had the problem with our used 2004 HitchHiker II LS; diagonal crack in the fiberglass from the lower left corner of the bed glide, about an 1 1/2" long. Contacted NuWa, the suggested fix (same thing they would do at their factory service center) was to run a router down the length of the crack (about 1/8 or 3/16" depth), fill it with a sealant like ProFlex, and place a piece of moulding over it.