Do i need dynamat?

[Joker69Camaro]

I would still dynamat the entire floorboard. The line-x will help, but the dynamat will have more vibration control. It will also be a good start to a thermal layer. Just my $.02

Jeff K

[NightDiver]

I would still dynamat the entire floorboard. The line-x will help, but the dynamat will have more vibration control. It will also be a good start to a thermal layer. Just my $.02

Jeff K

I would agree... While any single layer is better than nothing, having a layer on both sides of the underbody will only help. Not only that, but dynamat will provide better thermal insulation which, anyone who has nearly melted the soles off their shoes during a long road trip can tell you, is more important than most people think...

[1969CamaroRS]

It will also be a good start to a thermal layer. Just my $.02Jeff K

I don't think the sound vibration dampeners block heat very well. Least when I put it on my floor (Second Skin's Damplifier Pro), the floor was either cold or hot depending on the outside weather. Once put a heat barrier (Heat Wave Pro) on then I noticed a huge difference.

[Vegas69]

I agree, Ed. I drove my car with sound deadener only and the floor would burn my foot without carpet. The heat wave pro did make a huge difference.