Interior/Exterior Foam injection into frame ?
I think that there are probably a lot more places in a Z.
I just did the four box-sections that support the floorpan and lead up into the firewall a few inches. I wound up with about 1/2 of a kit left, and 3-4 cups-worth on the floor. If the car were bare to the frame, I'm sure you could spot some other useful spaces to fill, but I just did the easy ones.
The only tip I can offer is to start with an 8" hose in the deepest part at one end (fill from the bottom to let the air out), then move from hole to hole as the foam appears along the length. When you get to the other end, stick the hose in the blind end to fill from the bottom again.
The other tip is; plan where you will move as you fill the sections - you don't want to move under a still-oozing hole.
I just did the four box-sections that support the floorpan and lead up into the firewall a few inches. I wound up with about 1/2 of a kit left, and 3-4 cups-worth on the floor. If the car were bare to the frame, I'm sure you could spot some other useful spaces to fill, but I just did the easy ones.
The only tip I can offer is to start with an 8" hose in the deepest part at one end (fill from the bottom to let the air out), then move from hole to hole as the foam appears along the length. When you get to the other end, stick the hose in the blind end to fill from the bottom again.
The other tip is; plan where you will move as you fill the sections - you don't want to move under a still-oozing hole.
man your right there- I definately " don't want to move under a still-oozing hole." haha, sorry , I couldnt resist that one.
Its a shame I didnt do this before, about 2 months ago the car was totally stripped down to the bare frame, actually it even got a complete new right front frame rail section put on.
thanks again for your ideas
Its a shame I didnt do this before, about 2 months ago the car was totally stripped down to the bare frame, actually it even got a complete new right front frame rail section put on.
thanks again for your ideas
It's a closed-cell foam, so there shouldn't be any gasses emitted during curing or later. Also, it's outside the car and enclosed in metal except for a few small holes, so I don't think I'd worry about that too much...
What about moisture trapped between the foam & metal when it does rain/snow and/or get humid? Wouldn't that increase the rate of corrosion? Those holes you're filling through may be there intentionally to both keep water from building up in those voids, and to keep those voids ventillated.
have gave it sum thought but......
i dont think i'll be keepin' the car long enough to worry bout that
also if its done correctly that foam gets in all the spaces as it expands so u have to werk fast and use a lot of product.......careful plannin' is key w/this kinda stuff.....
are u goin' to do it?
also if its done correctly that foam gets in all the spaces as it expands so u have to werk fast and use a lot of product.......careful plannin' is key w/this kinda stuff.....
are u goin' to do it?
It's a closed cell foam..
Originally Posted by Wagnbat
What about moisture trapped between the foam & metal when it does rain/snow and/or get humid? Wouldn't that increase the rate of corrosion? Those holes you're filling through may be there intentionally to both keep water from building up in those voids, and to keep those voids ventillated.
Matt
True, but are you going to fill the void 100%? Any chance of moisture getting into any pockets from the top and not being able to escape?
And also being closed cell, the cells may not create a well sealed 'bond' evenly over the surface. Kind of like how a bag of marbles I'm thinking. They'd probably bend and flex to themselves real well, but I'd suggest doing a test first. Better safe than sorry, eh?
And also being closed cell, the cells may not create a well sealed 'bond' evenly over the surface. Kind of like how a bag of marbles I'm thinking. They'd probably bend and flex to themselves real well, but I'd suggest doing a test first. Better safe than sorry, eh?
also forgot to mention...
if its at all like the stuff i've used in the past its an oil base like product so it would make it even more water proof in there

to if the car where ever to fall in a pond it would float
easier to retrieve.....
okay im out of resonable stuff to say ill be goin' now


to if the car where ever to fall in a pond it would float
easier to retrieve.....
okay im out of resonable stuff to say ill be goin' now
Not really...
Originally Posted by Wagnbat
True, but are you going to fill the void 100%? Any chance of moisture getting into any pockets from the top and not being able to escape?
And also being closed cell, the cells may not create a well sealed 'bond' evenly over the surface. Kind of like how a bag of marbles I'm thinking. They'd probably bend and flex to themselves real well, but I'd suggest doing a test first. Better safe than sorry, eh?
And also being closed cell, the cells may not create a well sealed 'bond' evenly over the surface. Kind of like how a bag of marbles I'm thinking. They'd probably bend and flex to themselves real well, but I'd suggest doing a test first. Better safe than sorry, eh?
Go ahead, take a little risk! Also, look at some of the new cars and SUVs. They're coming stock with foam injection into parts and voids, as the lazy pansy-assed culture is demanding 4x4 SUVs with so little roadnoise you can hear a knat fart.

Matt
sorry i took to long to type my last reply didnt see ur last reply, anywho!
its not likely this will happen cuz this stuff really fills out and expands like crazy, it will find any hole/space and fill it w/product it keeps expandin' till its completely dry which takes a while
its not likely this will happen cuz this stuff really fills out and expands like crazy, it will find any hole/space and fill it w/product it keeps expandin' till its completely dry which takes a while
Originally Posted by Wagnbat
True, but are you going to fill the void 100%? Any chance of moisture getting into any pockets from the top and not being able to escape?
And also being closed cell, the cells may not create a well sealed 'bond' evenly over the surface. Kind of like how a bag of marbles I'm thinking. They'd probably bend and flex to themselves real well, but I'd suggest doing a test first. Better safe than sorry, eh?
And also being closed cell, the cells may not create a well sealed 'bond' evenly over the surface. Kind of like how a bag of marbles I'm thinking. They'd probably bend and flex to themselves real well, but I'd suggest doing a test first. Better safe than sorry, eh?
this is an old thread, but I'm looking into this, any new news on this, and also, the product mentioned early on in the thread is $500??? somehow that cant be right, maybe the link isnt working right. any new info would be appreciated.
Could you just use the stuff that comes in a can from Home Depot?
Any more reviews?
from what ive read it's clear that the tripple expanding foam from home depot would not work, it needs more rigidity and the stuff that would work is a poly foam. hope someone can chime in that has done this or some experience with it.
Thread
Thread Starter
Forum
Replies
Last Post
IQRaceworks
R50/R53 :: Hatch Talk (2002-2006)
53
Jun 28, 2024 07:29 AM
Samhillrocks
R56 :: Hatch Talk (2007+)
2
Sep 29, 2015 12:55 PM




note to self:
