No, most rocks you encounter should be no problem for the iSUP. They are double layers of PVC, so they are extremely durable and can handle a lot of abuse. We have customers use our boards on white water rapids all the time without issue!
Check out this video to see the construction and durability of our boards.
How durable is an iSUP?
Can rock damage an inflatable SUP?
Are inflatable SUPs good for yoga?
Is it single chamber or are there multiple air section?
Does it come with a paddle?
Is there a D-ring on the back for a leash?
Does it come with a leash?
Is there an option to buy a shorter center fin?
Does the board come with a warranty?
Is there a repair kit with my iSUP? What's included?
What is the grey plastic wrench in my repair kit for?
Is it normal to have a big bubble on my board? What about clusters of little bubbles?
How do I fix a leaking valve?
How do I patch an iSUP?
Is the board small enough to carry on a plane?
How much are custom charges?