Masterbasser Posted November 28, 2014 Report Share Posted November 28, 2014 about 8 years ago i deadened my vehicle with some deadener, instead of putting anything on the metal i deadened the backside of all the plastic panels and then reinstalled them. it certainly helped (tested on termlab higher then pre deaden) and also eliminated many rattles inside and outside the car looking to do a vehicle early spring and was just going to deaden the backside of all the panels again anyone have any input on this? Quote Kenwood excelon ddx795 3 370 amp CES alternators (audio side only) McLaren dome tweeters Crescendo 6.5 ultra neos NVX JAD800.4 4 PA x4 SPL 18's 4 Digital Designs m5's at .7 ohms each 2 K2 80 ah lithiums 3 group 31 agms Ledglow million color (12 piece) 2007 Yukon xl Link to comment Share on other sites More sharing options...
SIDE SHOW Posted November 28, 2014 Report Share Posted November 28, 2014 it'll work, but it's not done properly and wouldn't sound as good as if you seal off all access holes in the door and dynamatted the inside and outside of the inner door Quote Link to comment Share on other sites More sharing options...
Masterbasser Posted November 28, 2014 Author Report Share Posted November 28, 2014 right but if all the inside of the panels are deadened with a cpl layers wouldnt that basically make it a pretty tight seal to the door and block off those access holes anyways? Quote Kenwood excelon ddx795 3 370 amp CES alternators (audio side only) McLaren dome tweeters Crescendo 6.5 ultra neos NVX JAD800.4 4 PA x4 SPL 18's 4 Digital Designs m5's at .7 ohms each 2 K2 80 ah lithiums 3 group 31 agms Ledglow million color (12 piece) 2007 Yukon xl Link to comment Share on other sites More sharing options...
SIDE SHOW Posted November 28, 2014 Report Share Posted November 28, 2014 it would work better if you had no speakers in the door......if it's deadened properly, you'll be able to knock on the outside of the car door and it'll sound strong and solid.... were atm it will sound weak/thin and tinney. there is a tutorial on this I think, do a search Quote Link to comment Share on other sites More sharing options...
bcbrassard Posted November 28, 2014 Report Share Posted November 28, 2014 it'll work, but it's not done properly and wouldn't sound as good as if you seal off all access holes in the door and dynamatted the inside and outside of the inner door I agree with this. Youtube video's for proper installation. If your going to do it, do it right IMO. Quote Link to comment Share on other sites More sharing options...
Second Skin Posted November 28, 2014 Report Share Posted November 28, 2014 You will need to address both vibration noise and air borne noise. Use a vibration dampener like Second Skin's Damplifier Pro or Spectrum spray on deadener. To address the air borne noise you should use a MLV like Second Skin's Luxury Liner Pro to absorb the airborne noise and also to act as a barrier with the vinyl backing. You can find these products at www.secondskinaudio.com and we are currently having a great Black Friday sale of 30% off all of our products using promo code GOBBLEUP30!!! Good luck with your project. Quote Whether you are restoring a classic muscle car, building an audio system monster, or trying to give yourself a bit of silent luxury on your daily commute, we have a product or combination of products that will help you achieve your goals while saving money and save time. Look around our site, educate yourself and make the choice that is right for you. Over built to over perform - because user error, bad batch, and faulty install are excuses that other companies use! Link to comment Share on other sites More sharing options...
Jessica Posted November 28, 2014 Report Share Posted November 28, 2014 i would put deadener on metal. rap your knuckled on your door, then apply some deadener, maybe a 6"x6" section. rap your knuckles again and see how it sound. Do the drivers side and not the passenger side so you have a "control" sample to compare to. all deadener is good for in doors is to just keep the metal from resonating. i can go into more detail if you like, but i will leave it at this for now since you have some experience. Quote Rest in peace, walled 87 accord build log 03' Corolla build with AA Mayhem inside. My super random youtube channel and terrible camera work. Wiring comparison by CaptainzPlanetz Wire and fuse guide by Guest SyKo13 Link to comment Share on other sites More sharing options...
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