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Although dynamat is probably the best product on the market for noise reduction, remember 2 things. 1, it is expensive, 2, its heavy, and we all know weight means less MPG. It might not be much, but its a factor. Good Luck.
And another tip - most of the road noise in my Insight was coming from the rear well area.
As an experiment, I borrowed a heavy down comforter from the bedroom and spread it out over the cargo area, and was careful to not block the vents. Next commute to work I noticed this considerbly reduced the road noise. So I only put sound deadening in the spare tire/cargo well area.
Location: Oregon City, Oregon basically sub of Portland
Hybrids: '06 Civic HCHII Mag Pearl
Posts: 36
Re: SOUND-PROOFING?
Dynamat is for sound systems, it helps keep sound within your car. It does little to reduce sound from outside your car. Save your money on those expensive mat products.
I belong to the Corvette Forum and most Vettes are using a simple product you can buy from Lowes, or Home Depot. Frost King. It has thin aluminum on both sides and does an outstanding job of sound proofing. I have it in both my Vette's. Just use spray contact cement and go for it.
Link to give you an idea of what I'm talking about. This person pre-cuts the parts for installation in a Vette. Lesson's installation time.
"Frost King"...Thanks for the tip. I went to Home Depot, and found this to be a water heater blanket, fiberglass fill with a backing. Is there an ideal or recommended thickness?
Thanks again,
Richard
Last edited by Richard S; 03-10-2006 at 08:32 PM.
Reason: left something out...
First, thanks to everyone who replied, and for your great advice! I had the car "dynamatted". While the car isn't as quiet as I wish it were, it was a significant improvement. No change in gas mileage noticed from dynamatting, yet. BUT, I previously changed the stock tires to a more comfy-riding tire. My mpg drop from the tire change was 12%, but the car rides much better, and with the dynamatting it's an overall improvement. I know now that its "as good as it gets".
Hybrids: 2006 HCH II w/ Navi, 2010 Insight II EX w/Navi
Posts: 300
Re: SOUND-PROOFING?
I second the Frost King material. Bought it at HD here in LZ, along with a few smaller secitons that were self adhesive strips. Used in on my 2010 Insight and will install on my '06 HCH II. Finished a car for less than $50 between the metal tape, spray adhesive and insulation