I bought a 2008 Hi Lo 15T this past july..I bought the trailer cheap knowing it would take a lot of work to fix it..The trailer was hardly used and was really damaged. The side walls were delaminated both on the outside and inside. So I took it to J and R trailer repair in mount Vernon ohio near my home. Jim and Rob are the owners and they are so awesome. They had the trailer for several weeks. replaced both walls inside and outside. Both Jim and Rob worked for hi lo and have the vacuum table to build the walls. I was kept updated both in emails and with pictures of the work as they got into it..I am so happy with their work.
Also, I wanted to mention if you have a 2007 or newer Hi Lo inspect around the roof on the top and the bottom rails. Starting in 2007 the plant was very lax in their work. My trailer had no putty tape at all...Water just poured through rotting out the sides in and out..I have a lot of pictures of my trailer before and after if anyone would like to email me...Rob and Jim also have most parts to fix a hi lo too..
By the way their phone number is...(740) 392-1600 or (419) 883-3001

Would you care to share the pics? And while it may be uncouth to ask, I will - what was the damage to your wallet?

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2014 Ford F250 6.7 PS
formerly a HiLo TD2401
now an 08 Jayco Eagle

Two great questions ! would really like to see the before and after pics.
Treeclimber

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Treeclimber
2703 Tow Lite
2002 Escalade
Bonita Springs, Fl. &
Andrews, NC

Perhaps you could upload them to a photobucket site.