Looking for help with shed roof

I have a shed in Lansing, NC. The roof was put on with barn door rollers attatched to wood that warps so the roof doesn’t roll.  This is a high wind area on a mountain 3,500ft.  Does anyone have construction knowledge that can help?  I can send pics.
Thanks in advance,
Marcy

Hi Marcy,

If you look at a couple of the photos on the gallery link I posted to Maurice you can see the "track system" I used.  V Casters on a track I fabricated from 1/4" X 4" flat steel bar and a 3x3x1/4" angle welded on.  The "tie down" system has withstood 100+ straight line winds we had here a couple of years ago.  Took out old growth trees all around me....  I was on duty that night, what a relief to come home the morning after and see everything still in place unmolested by the wind storm!!

Mark