Lizard skin spray on sound deadener

Im getting my list all set up for when I start my sound deadening this spring, and im thinking of doing lizard skin spray on sound deadener. From all the videos ive watched it seems like a pretty good product. I like the idea of spray on over the butyl mats because it will get into tight areas that the mat cant get into.

I plan to do the roof, floor, back of the cab, and inside of doors.

But I would like to hear from anyone who has used it on their trucks.

Also, as a side note, it seems like this stuff reinforces the metal a fair amount... do you all think this would help with preventing door dings and small dents?