I'm sure that much of it would depend on how you do the weaving of the support cords. I have done basic FW for a couple of years to compare with my standard 6' CRW cages and didn't find the fruit to be any more exposed with the FW. If for no other reason than that you can plant much closer together with the FW.

And of course this assumes no extensive pruning. It is pruning that leads to sun scald, not the method of plant support. So if you are heavy into pruning then I doubt the FW will reduce or increase the amount of sun scald.

Dave

I am a huge fan of the FW and did seem to have more sunscald this year, but I think it would have occurred with any trellis system. 2012 was a bad tomato year for me.

Normally, my FW creates a tomato hedge, with good foliage cover.

I grew in 2 locations this year, one florida weave, one regular. I had a bit of sunscald on the regular ones, but none on the FW. Perhaps not surprisingly, the biggest difference was sun exposure - the FW plants had 6-7 hours a day, the regular 10+.