Re: One project inevitably leads to one more: help with insulation behind front cab
Reply #7 –
I use the sound in there first and then a foam design for under the hood of cars. It did cut down on the amount of noise but I still have lots of wind noise from the door and the zip tie awning so there's still plenty of noise there. I also have two trucker cellular antennas mounted on springs right above the front cap and in the windows things bounce back and forth making a lot of racket. It did cut down on that sum but it's still there. The other thing you can use is sounddown insulation. There's two kinds one that has a thin piece of rubber dampener in between foam and a radiant heat foil on one side or without that rubber dampener. The rubber dampener adds a lot of weight. Sounddown is expensive, as it's marine grade but well worth the money. I put that in my engine compartment.