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How Much Fatmat Do I Need?


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Hello everyone. Just want to say to everyone, and of course Mr. Meade this Site rocks..Look I have a general question about how much (estimation) fat mat would be needed to Fatmat a 96-00 Honda Civic...I want to order some but don't want to order to much..Looking at either 100sq ft or 50sq ft..Which would you guys go with?? I have 2 P112s4's and I just want to take some of those pesky rattles out of the equation.. Also if any of you guys have built a Ported box for 2 of these woofers..Hook me up with a cut out sheet..I have Bass Box 6 Pro, but man you have to be a rocket scientist to use it..Still trying..But not having to much luck..This is my first Ported box to build but It shouldn't be hard..I can cut a straight line..So..Like I said..I refer to this site alot..It is great to have guys out there intrested in the same thing as me..Plus them 18's slam..Thanks in advance..

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Ok.... Bass box pro 6 is tricky, I still haven't figured it out. Download WinISD beta, that is basically the same program as bass box pro but without any of the confusing stuff.

When it comes to dynamat (fatmat, w/e) You'd be suprised how much is actually in the box when you open it up. The goal of dynamatting is to make the tinny metal of your car more like armor. With a pair of P1's, two layers on your headliner and trunk lid will do the trick. 50sq. ft is enough. 50 sq. feet should actually get your doors, headliner, and your trunk lid. If you plan on upgrading subs later on, or you just wanna do a really good job, get the 100 and do like 3 layers everywhere, that will sound amazing.

After you design your box in winisd, it will give you the outer dimensions of you box. (click on the units to change them to ft!!!) and using some basic math or common sense you can figure out the cuts. I would not rely on other people to get you cut lists if you plan on building boxes in the future, it's good to know how to do it.

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1st place circuit city car/spl show (maplewood,MN) 2006

146.6 dB's with 2 12" L7 and 1606d brutus

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Ok.... Bass box pro 6 is tricky, I still haven't figured it out. Download WinISD beta, that is basically the same program as bass box pro but without any of the confusing stuff.

When it comes to dynamat (fatmat, w/e) You'd be suprised how much is actually in the box when you open it up. The goal of dynamatting is to make the tinny metal of your car more like armor. With a pair of P1's, two layers on your headliner and trunk lid will do the trick. 50sq. ft is enough. 50 sq. feet should actually get your doors, headliner, and your trunk lid. If you plan on upgrading subs later on, or you just wanna do a really good job, get the 100 and do like 3 layers everywhere, that will sound amazing.

After you design your box in winisd, it will give you the outer dimensions of you box. (click on the units to change them to ft!!!) and using some basic math or common sense you can figure out the cuts. I would not rely on other people to get you cut lists if you plan on building boxes in the future, it's good to know how to do it.

I agree with you. I don't like relying on other people. As for the Fatmat I will get the 100 Sq feet...I want to do the whole car..Trunk Floor, lid, sides behind panels, doors, roof all that..I will start with trunk first..The p1's sound good in my prefab crap box, but I know they will sound better in a portec box..I know I won't get the kind of results as having a high dollar, high power system. But for just everyday listening these will do the trick...I am going to go and try WinIsd Beta..Thank you for your help...

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I agree with you. I don't like relying on other people. As for the Fatmat I will get the 100 Sq feet...I want to do the whole car..Trunk Floor, lid, sides behind panels, doors, roof all that..I will start with trunk first..The p1's sound good in my prefab crap box, but I know they will sound better in a portec box..I know I won't get the kind of results as having a high dollar, high power system. But for just everyday listening these will do the trick...I am going to go and try WinIsd Beta..Thank you for your help...

well take it from me

i used fatmat and its good. but you need at least 3 layers on the roof and trunk

i done my reg cab isuzu pickup which im only running a 10 w3 in a sealed box and i needed 3 layers on the roof and back wall. 2 layers on the doors

it works good but requires a good bit to be used. if you wanna do the whole car to stop all the vibrations you should get 200 sqft of it. its cheap anyways $130 for 100 sqft shipped

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i would reccomend dynamat extreme.... You can get a bulk pack for $130 or so on ebay stores. I'm not sure how it compares to fatmat, but i can tell you that 3-4 layers on the roof of my blazer does absolute wonders!!!! Maybe you could get by using less with dynamat extreme - it is one of the best sound deadeners out there for sure

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1st place circuit city car/spl show (maplewood,MN) 2006

146.6 dB's with 2 12" L7 and 1606d brutus

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i would reccomend dynamat extreme.... You can get a bulk pack for $130 or so on ebay stores. I'm not sure how it compares to fatmat, but i can tell you that 3-4 layers on the roof of my blazer does absolute wonders!!!! Maybe you could get by using less with dynamat extreme - it is one of the best sound deadeners out there for sure

you dont get as much with the extreme. its $130 on ebay for about 35 sqft i believe. it is much thicker and works great but its downside is it dosent contour as well as the fatmat.

price wise its hard to beat fatmat. for my deville when i get ready in a few months im pulling all the interior and gonna use probally 250-300 sqft in it.

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sound deadening kicks ass!!! I love cranking my system in a parking lot and ppl will walk by and not even notice, but when i open a door ppl think the world is coming to an end because of the bass. Cause it will keep almost all the sound inside your car if you do it right

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1st place circuit city car/spl show (maplewood,MN) 2006

146.6 dB's with 2 12" L7 and 1606d brutus

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Well I think I will buy the First 100 Sq ft. Then next time buy another 100..Should have enough then..Just trying to rebuild my civic back to the way it was before I got Married..Ha Ha..3 yrs of no new parts and washing it about every 3 months have taken its toll..I am going to buy a Carbon Fiber Trunk Lid because my current one has a dent in it and looks like swiss cheese because of the different spoilers I have had on it...It is a work in progress..Needs new motor, new suspension, Rear interior panels..Old ones were cut in half because of a wall I had with 6 10's... But car seat takes priority now..So does my 2 kids with one on the way..Yea...But still gonna keep my hobby alive..Hopefully...So will I need a heat gun to put this Fat Mat down properly?? I am a newbie at really getting technical with subwoofers..I have had alot of them in the past...Just all Sealed Enclosures, no ported except for a Jl audio setup..

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i just wiped the dirt off the metal and stuck it on. i used the handle side of a screwdriver to fit all the contours (fatmat stole my roller and shit)

but then again i never used a heatgun b/c here in Louisiana it gets really hott with lots of humidity so i didnt need one and almost a year later it hasnt even tried to come off

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Yea I can relate..I am from Natchez, Mississippi. Only a stones throw from New Orleans..Bout 3 hrs...Yea man I am really excited about trying to get my system sounding good..I have been in Many Competitions and even won some trophys, but I never had to build my own boxes..All my boys that were in our car club would just do it for me..We had a couple of guys who were the Designated box builders, I was the Designated beer drinker so..I just bought the wood and Layed back..But now I am married all my boys are out of the Bass game and yo boy is still in it..Just without the Club..So I have to figure all this box building out..The fat mat wont be hard to do, I got all that...Now that i know about how much it will take no problems..But I want to build a ported box for my P1's cause I know they will sound better and move a little more air than sealed..I just like the sound of ported boxes over sealed..P1's are inexpensive an if I blow one I won't cry..Cause I can just buy another..I do need to get me a nice amp. My little Sony works for now..But I like old school amps not these new mass produced amps..Like the Old Punch series, Us Amps. I am sure I need to get outta the stone age, but the older amps just were built better in my opinion...

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