Undercoating

[62c30]

I'm almost to the point of putting some kind of undercoating on the underside of my 61 cab and using the same thing on my inner fenders. I'm thinking about a lite coat of raptor liner. I've never used it before but seems like a good option. My truck is going to be more of a nicer weekend nice weather driver but occasionally go slowly down a gravel road. I'm looking for something that will prevent rock chips and hopefully knock down some noise and heat transfer. If anyone has any experience with raptor liner or have any other products I'd like to hear about them. Pictures would be nice too. Thanks