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So received some new speakers and was going to install them in the doors, however while i'm at it I decided to purchase some sound deadening material to install while I had the door trims off.

Went to my local jaycar and got some of this stuff: http://www.jaycar.com.au/productView.asp?ID=AX3680&keywords=AX3680&form=KEYWORD

Its pretty heavy and comes with a felt like material on one side and a clean rubber like material on the other.

Which side am i meant to glue to the door? And what type of glue?

Couldn't find anything on the internet about it.

Please help.

Hi Looking through the description on the Jaycar website, they say to use either gel or spray contact cement.

I have never used this product before but have used Dynamat many many times. The important thing to remember is it is only going to be as good as the glue that you use, so use a good quality glue.

My advice would be that glue will stick to one side better than the other so stick to that side.

Or if all else fails give your Local Jaycar a ring and ask them for their advice on the which glue and which side to stick.

Simon

I have a peice, DO NOT USE IT ON SIDE PANELS WITH GLUE. the only thing its good for is floors NOT GLUED down unless you want it to be perm. I use mine under my spare to protect the other aftermarket spray/ brush on sound deadner finish from the steel rim

the stuff is way to heavy to do a car with, and the results are poor compared to a proper name brand deadener.

if you glue it properly its going to be a nightmare to remove for service of windows etc ? and contact cement smells horrid for a long time in the heat, this rubber holds heat in , and doesnt stop it like the foil backed

products.

my first choice return it or use it under spare, or for a shop table nonslip mat. and dont use jaycar tar based imitations without knowing they tend to fall off vertical surfaces in the heat above 35C outside

to answer your question, cloth side is glue side, and contact cement is the only thing that could hold it , car will stink for a week at least and be nearly undriveable from fumes

Edited by Carbon 34

Whoa didn't think it was going to be that bad!

I think i'll use it on the rear parcel shelf if its no good for doors, i'd like to go dynamat but its bloody expensive!

I don't like the idea of permanent contact cement, could i simply screw it in using some of the existing holes? If its on a horizontal surface can i use a less extreme glue? something that i could peel off later?

Yep its a mess , dont screw it down either , just use automotive spray glue, like a 3M type for carpet or cloth. MED strength not headliner stuff. if you spray the rubber matt cloth side only, it wont stick much, if the rear deck is clean and dust free that should be enough to hold it , till you mount the deck back on over it..

you can spray the car metal deck and cloth/rubber but that will cause the cement to hold it really tight and you might get glue on your windows ,tint, cloth if your not careful. the 3M type glue will still smell but not for long, use only outside or vented area and dont sit in the car and get high off it you can get sticky lungs from it, use a dust mask with charcoal , found at auto paint shops etc if you dont desire a headache from the fumes,

for clean up use wax and grease remover on rear deck and if you get some glue on the stuff you dont want it on, but it will kill tint so becareful , rags of it can spontanious combust in the heat as well so place in steel fireproof can or wash right away wax and grease is safe on most coloured plastic parts and even cloth seats etc if wiped with water afterwards, it strips all the protector off the plastic so it needs to be retreated when your done with a plastic protector like mothers or meguars to get rid of the white dry look . test before use if in doubt .

this method is removable with some work, spray one side and its removable easy

you can find other products besides dynamat that are cheaper and just as good or better in some cases

stinger road kill, soundstream, second skin, and a million others... check with chris rogers on here I think he sells some? if not I hate to say this but you can buy some overseas and ship it cheapers sometimes if the dollar is higher then the US dollar. check and buy local Oz if you can ,.... it takes about 10 days to get some from USA in most cases if you cant' find any cheap enough.

if you buy from USA , pm me the sellers name before you buy , some of the US sellers are dodgy as hell and payment methods are fraud ridden

Edited by Carbon 34

Thanks a lot for you help carbon, this task is certainly more wide in scope than I initially thought. Going to head to Kmart shortly to see if they have this brand of glue, if not supercheap/repco/bunnings should have it. I'll take the precautions you outlined earlier when applying it.

I've been searching around for cheaper alternatives than dynamat, road kill and second skin are pretty much as expensive. Many people claim to use roofing materials and have similar result, however i'm going to stay clear of those things because they aren't designed to withstand car conditions.

Apparently there is a great product called brown bread ( now goes by the name of "B-Quiet Ultimate" ) which is meant to be just as good if not better than dynamat. A few review sites have tested it and found the sound deadening qualities to be superior. The great part is the price about 1/3 of what it cost for dynamat. I can't find a Australian reseller, and b-quiet's eBay store doesn't post to Australia. I've sent an email directly to the company asking them if they will post here, or where to buy it in Australia but I'm yet to have a reply back.

If anybody knows where I can get this stuff in Australia shoot me a pm please. If people are interested maybe we could organise a group buy.

Thanks again for you help.

There is a story behind that product that I cant disclose in public sorry , and CANADA POST is horrible cost and not dependable . if you notice the cost even without the shipping is the same as Dynamat off a US site not that its the best product but to compare prices , notice the sizes as well you need a bit to do it right even just the doors

that product is only sold from Canada no other dealers exist ,

I just had 3 large boxes of sound deadner product sent to me before christmas and the shipping from USA was the same as the item cost in USD retail almost , the weight was about 38lbs for one box alone and the two other rolls are as more then a metre wide and light as a feather so you might want to check local first. plus it keeps oz jobs and shops in biz

dont use roofing tar ,it makes a mess and stinks in the heat ever time the car warms up , cars in oz can hit 80c + with ease on the inside on a warm day

here is some light reading on the subject if your bored

http://www.sounddeadenershowdown.com/cgi-bin/index.cgi

Thanks for the link, I came across it before in my google searches, and now i'm plundering dedicated car audio forums... This is a ridiculously complicated subject, fraught with misinformation mixed in with accurate facts - then there are people's opinions! I think i'm just going to shell out the extra money and by a dynamat 12ft door kit, i can buy it within australia for around $100-110 shipped to my door. Though i'd really like to cut that price in half teehee.gif

Next will be sub choice/placement and box design ><

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