08 Silverado Roof Flex (suggestions needed) - Car Audio Classifieds!
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  #1  
Old 10-21-2016, 01:32 PM
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Default 08 Silverado Roof Flex (suggestions needed)

Hello fellow bassheads. I own a 2008 Chevy Silverado 1500 extended cab truck with two DSS 15s and an Ampere 5k. I have previously removed the interior of the vehicle and covered most of the sheet metal with HushMat. I removed the head liner and covered some of the roof metal with this product, however, the bass makes the roof flex terribly. The sound is very tinny and I would like to remove some of the flex. What are the best methods to combat this while still retaining the head liner? The current sub setup has the port and drivers firing toward the ceiling. Would building a new forward firing box remove some of this flex? Thanks for the help.
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Old 10-21-2016, 02:06 PM
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I used 3 layers of vibraflex in my 2000 Silverado and was able to re-install the headliner with no issues. Currently running 2 emf 15's on ab18k. And roof is solid. Hope this helps.
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Old 10-22-2016, 09:57 AM
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I used 2 layers of the soundqubed deadener and cardboard in between the braces and roof.
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Old 10-22-2016, 05:35 PM
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Xplicit audio actually had vibraflex on sale now. Bout the best for roof flex.


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Old 10-22-2016, 08:23 PM
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I have 2 layers of Skyhigh 120mil on the roof of my 08 grand Cherokee. Was pretty solid with 2 18s C pillar on 5k and 2 18s facing the roof on 5k
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Old 10-22-2016, 08:59 PM
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deadener is for chumps. Wood, fiberglass and sheet metal is the best and cheapest way to control flex. Spray foam works too. All 100x Better than deadener when it comes to flex. Deadener might work for baby systems but bigger systems require actual rigidity. The amount of money you waste on vibraflex, you could have gotten an even more bullet proof roof with the other alternatives and have more money in your pocket.
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Old 10-22-2016, 09:25 PM
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Gpcaraudio.com has 250 miles deadener that is more pliable than vibraflex and just as good...will stop roof flex

Mr. 10K
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Old 10-22-2016, 09:44 PM
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no deadener can make your roof withstand a mini sledgehammer strike. I'll leave it at that.
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Upcoming setup ... two taramps 15ks subs...4 Team Ascendant audio 18s
320 amp singer alt, 6 group 31 agms in the back (clearly not enough)
80 prs, two way active, massive ct 2 german silk tweets, pwx 10s in the doors, PRVs 6mr500 ndy in the kick on ct 500.2 to the pwx 10s, ppi 900.4 bridged to prvs, ppi 600.2 to the tweeters.
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Old 10-23-2016, 01:06 AM
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If i understood clindquist_bass post correctly "any suggestions to limiting roof flex while retaining the headliner" wood, sheet metal, and fiberglass are great suggestions although would be difficult to keep the headliner we can learn a lot from each other if givin the opportunity I choose to be an asset to a solution to those looking for suggestions in accomplishing their audio goals
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Old 10-23-2016, 02:03 AM
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Use peg board or thin mdf and loctite PL 8x glue. Also spray foam the hallow frames.

I layer of peg board wit PL is stronger than 10 layers of deadener. And your headliner will still fit.
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