Roof rack with high top??

Lots of people do it - for example, colorado camper vans is just one business that comes to mind that adds fiberglass tops with roof racks.

I did it too - fiberglass is pretty strong - unless you plan to put hundreds of pounds up there - which wouldn't be a good idea anyways since you shouldn't overweight the top end of a vehicle

markmitch said:

When I had my hightop I checked with multiple companies as well as sites and I was told DO NOT DO IT!, the fiberglass top is rated at at best 10 lbs before it will crack. I say do not try it.

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I dunno mark, maybe if you put all the force on a dime, but no way my roof is cracking with only 10 pounds. I was up on top of it and it didn't crack, so it's good with at least 200.

SeekingAstro said:

I wasn't planning to mount anything to the top. I was saying, to mount a roof rack to the body, on the sides of the van, below the top, which would extend up above the top itself.

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I'd just mount it on top. Well, actually, I did. Our vans don't have drip rails like full size vans for example, so it isn't as easy to put a raised rack on - which I've seen people do on e-series vans plenty.
If you're planning on hauling huge loads of cement up there... then that changes things I'd say.

Also everything deafman said is high quality advice.