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Originally Posted by double ugly
I didn't think Dynamat was rigid enough to withstand road debris. It's great for a heat reflector but rocks? I still think a rubberized coating would be more efficient for the intended purpose.
John
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Actually, you do need a rigid material, almost like a second skin. Dynamat also has the tar-like material between the aluminum sheet and the fender, absorbing any impact. FWIW A rubberized coating will NOT prevent star cracks. The fender that got the crack on my previous SB had rubberized undercoating almost 3/8" thick before the injury.
When I run my set of sticky GY slicks, I can hear the debris and pebbles being kicked up the fender, and TG, not a crack yet.