Where are you located? Some manufacturers using this system on new coaches with large slide outs are now putting 2 racks on the top at each end to help support the weight. A repair company should be able to order this revision and install without much problem. Good luck and keep us posted.
Mike, RVIA & RVSA Certified Master RV Technician
Amy, Dr. Assistant - Roxie & Mei Ling, four legs each
2000 Gulf Stream Scenic Cruiser 450 hp & 1330# torque
06 Saturn Vue, 06 Chevy Z71 4x4 & 2014 Corvette Z51 M7