Originally Posted by iridehorses
Only on the sides. Is your trailer the type that is open all the way down? If so, then 1/2" ply for the bottom 4' and plexi for the top will work better then all plexi.
No, it's not all open, I have 2 spaces on each side and 3 on back door. I think I'll check couple trailer places around to see the prices (I checked one and they said it's ~$600 to do it on sides, I'd think it's too much, but I may be wrong). Thanks for your help!