anyone using foamseal?
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anyone using foamseal?
http://www.itwfoamseal.com/auto_aftermarket.htm
Foamseal essentially it's a foam used to fill cavaties in the major structural areas of your car. It is a foam specifically develeped for cars and has been proven to provide an increase up to 200% (40% is more common) in structural rigidity. Blah, blah blah. Basically it's seam welding at a fraction of the cost. If you keep track of Sport Compact Car's 300ZX project they swear by it. My question is has anyone used the stuff on their 7 and if so where?
Foamseal essentially it's a foam used to fill cavaties in the major structural areas of your car. It is a foam specifically develeped for cars and has been proven to provide an increase up to 200% (40% is more common) in structural rigidity. Blah, blah blah. Basically it's seam welding at a fraction of the cost. If you keep track of Sport Compact Car's 300ZX project they swear by it. My question is has anyone used the stuff on their 7 and if so where?
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Technically they are call Polyurethane Expansion Foam. This technology has been used in aviation industry to fill up the cavity on the airplan wing. People in Japan use it a lot. The disadvantage is if you get an accident, it makes it very hard to fix the area where it is filled with foam. I also believe that it will make the frame too stiff for daily use as it elimnates all the flex on the chassis. There is a local shop that makes those foam and I am thinking of doing that on my AE86.
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Last edited by BC-FD3S; 07-27-04 at 10:23 AM.
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Originally Posted by BC-FD3S
I also believe that it will make the frame too stiff for daily use as it elimnates all the flex on the chassis.
As for the foam your point about repair is the biggie. Foam will certainly add stiffness but filling any cavity that has wires, cables, fluid lines etc is begging for trouble. You can't get the foam out once it's in there so everything else in there is now permanently sealed into the unibody.
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Originally Posted by DamonB
You can't get the foam out once it's in there so everything else in there is now permanently sealed into the unibody.
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Originally Posted by Fatman0203
Cant you pour some gas on it and it begins to melt? Or some other product like mineral spirits or something.
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Originally Posted by Fatman0203
Cant you pour some gas on it and it begins to melt? Or some other product like mineral spirits or something.
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DamonB, i dont think all car makers are making their cars as rigid as possible.... that would be horrible for crash tests.
im sure there are certain chemicals that can melt/disolve it without making smoke...
im sure there are certain chemicals that can melt/disolve it without making smoke...
Last edited by scheistermeister; 07-27-04 at 03:19 PM.
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Originally Posted by BC-FD3S
Polyurethane foam becomes a very hard rubber with about Shore 95A hardness or higher (depends on what type of polyurethane you want). When the liquid A compound mixed with B compound, they under go chemical reaction and begins to expand to a larger volume and fill up all the cavities and becomes hard rubber . If you think it can be melted, you are talking about burning rubbers which I think it will be like burning you tires or any like of rubber or plastics that create black smoke and air pollution.
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Originally Posted by scheistermeister
DamonB, i dont think all car makers are making their cars as rigid as possible.... that would be horrible for crash tests.
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Originally Posted by scheistermeister
DamonB, i dont think all car makers are making their cars as rigid as possible.... that would be horrible for crash tests.
im sure there are certain chemicals that can melt/disolve it without making smoke...
im sure there are certain chemicals that can melt/disolve it without making smoke...
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Originally Posted by Fatman0203
Take a foam cup and pour gas or mineral spirits on it, and watch what happens.
There are many other foams that are resistant to most solvents. For instance the 2 part foams that become active when the parts are mixed that are commonly available as kits for custom molding inserts for racing seats. You put a plastic bag in your seat, sit in it and then dump the agents into the bag. The foam then expands perfectly around your backside and tooshy. You do NOT want that crap to get on you. The heat alone from the reaction is uncomfortable and it will cling to damn near anything and refuse to come off. Similar to the insulating spray foam you can get at the hardware store.
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Damon is Spot on, on this stuff. It is a hardened foam, and once it has dried WILL NOT go away easily. Gas? won't touch it. The trick with it is apperantly only putting it places were there are no wires, and if there are wires re-routing them so they won't get covered. Frame rails are you maind concern, then you can fill in areas were body panels come together, and so on. Only areas associated with chassis strength matter.
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We just chopped a camaro in parts (a totaled car we bought on ebay). Anyways I looked in the rear 1/4 panels and they had foam! I'll take a pic of it (if the car hasnt been choopped anymore), my dads using the LT-1 in a 69 Camaro.
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