Even my custom build thick walled aluminum tube started cracking after 4 years of use that’s approx 200 trips. I had to bring it back for additional supports and to re weld the crack. PVC would Never hold up the amount of stress placed on things like T-Tops. It is a lot greater then you would think. I remember when I got my top the sales guy grabbed one end and I held onto the other end and then we dangled off the ground for approx 15 seconds before we put our feet back on the ground and it did not even flex and I still got a crack. What do you thing would happen it two 200 lbs tried that with PVC???
FellowShip
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My motto: Just for the Grins